diff --git a/PA05-1004/ArrayDataEngine.c b/PA05-1004/ArrayDataEngine.c
new file mode 100644
index 0000000..645b8df
--- /dev/null
+++ b/PA05-1004/ArrayDataEngine.c
@@ -0,0 +1,257 @@
+// header files
+#include "ArrayDataEngine.h"
+
+/* Data Structures
+typedef struct StateDataStruct
+   {
+    char name[ STD_STR_LEN ];
+
+    int population;
+
+    double growth;
+
+    char majority;
+   } StateDataType;
+
+typedef struct StateArrayStruct
+   {
+    StateDataType *array;
+
+    int size, capacity;
+   } StateArrayType;
+Data Structures */
+
+// function implementations
+
+/*
+Name: clearDataStructure
+Process: deallocates memory for the array data structure
+         and encapsulated state data,
+         returns NULL to calling function
+Function input/parameters: pointer to state data array (StateDataArray *)
+Function output/parameters: none
+Function output/returned: NULL
+Device input/---: none
+Device output/---: none
+Dependencies: free
+*/
+StateArrayType *clearDataStructure( StateArrayType *arrayPtr )
+{
+    // return NULL
+    return NULL;
+}
+
+/*
+Name: copyDataList
+Process: copies elements from one state data array to another
+         resets array size as needed,
+         also resets array capacity as needed if destination array type
+         capacity is less than capacity of source array type
+Function input/parameters: source state data array type (StateArrayType *)
+Function output/parameters: pointer to destination state data array type
+                                                              (StateArrayType *)
+Function output/returned: none
+Device input/---: none
+Device output/---: none
+Dependencies: privateCheckForResize, deepCopyData
+*/
+void copyDataList( StateArrayType *dest, const StateArrayType src )
+{
+    // no return, void
+}
+
+/*
+Name: createDataStructure
+Process: dynamically creates instance of state array type
+         along with dynamically allocating the state data array within it
+Function input/parameters: given initial capacity (int)
+Function output/parameters: none
+Function output/returned: pointer to state array type (StateArrayType *)
+Device input/---: none
+Device output/---: none
+Dependencies: malloc, sizeof (C keyword)
+*/
+StateArrayType *createDataStructure( int initialCapacity )
+{
+    // return stateArrayType
+    return NULL;
+}
+
+/*
+Name: deepCopyData
+Process: copies all members of a StateDataType item into another one
+Function input/parameters: state data type item (const StateDataType )
+Function output/parameters: pointer to state data item (StateDataType *)
+Function output/returned: none
+Device input/---: none
+Device output/---: none
+Dependencies: privateCopyString
+*/
+void deepCopyData( StateDataType *dest, const StateDataType src )
+{
+    // no return, void
+}
+
+/*
+Name: displayData
+Process: displays comma-delimited data items in array if array is not empty,
+         otherwise displays "Data not found - Display aborted",
+         allows for subtitle to be added to "Display Data - "
+Function input/parameters: state array type (const StateArrayType),
+                           subtitle (const char *)
+Function output/parameters: none
+Function output/returned: none
+Device input/---: none
+Device output/monitor: data displayed as specified
+Dependencies: printf, listIsEmpty
+*/
+void displayData( const StateArrayType stateData, const char *subTitle )
+{
+    // no return, void
+}
+
+/*
+Name: getItemAtIndex
+Process: checks for index within bounds,
+         acquires and returns the value as a parameter,
+         and returns true,
+         otherwise sets data in parameter to empty and returns false
+Function input/parameters: state array type (const StateArrayType),
+                           list index (int)
+Function output/parameters: value if found,
+                            otherwise, value set to empty (StateDataType *)
+Function output/returned: Boolean result of operation (bool)
+Device input/---: none
+Device output/---: none
+Dependencies: deepCopyData, setItemToEmpty
+*/
+bool getItemAtIndex( StateDataType *returnVal,
+                                const StateArrayType stateData, int listIndex )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: getListSize
+Process: provides the size of the list
+Function input/parameters: state array type (const StateArrayType)
+Function output/parameters: none
+Function output/returned: size of the list (int)
+Device input/---: none
+Device output/---: none
+Dependencies: none
+*/
+int getListSize( const StateArrayType stateData )
+{
+    // return 0 (TEMP)
+    return 0;
+}
+
+/*
+Name: insertItemAtIndex
+Process: checks for index in bounds, inserts item at index, returns true,
+         resizes array as needed,
+         if index not in bounds, returns false
+Function input/parameters: pointer to state array type (StateArrayType *),
+                           StateDataType item to insert (const StateDataType),
+                           index for insertion (int)
+Function output/parameters: updated pointer to state array type 
+                                                              (StateArrayType *)
+Function output/returned: Boolean result of specified process (bool)
+Device input/---: none
+Device output/---: none
+Dependencies: checkForResize
+*/
+bool insertItemAtIndex( StateArrayType *stateData, 
+                                  StateDataType toBeInserted, int insertIndex )
+{
+    // return false (TEMP)
+}
+
+/*
+Name: listIsEmpty
+Process: returns true if list is empty, false otherwise
+Function input/parameters: state array type (const StateArrayType)
+Function output/parameters: none
+Function output/returned: Boolean result of test as specified (bool)
+Device input/---: none
+Device output/---: none
+Dependencies: none
+*/
+bool listIsEmpty( const StateArrayType array )
+{
+    // return false (TEMP)
+}
+
+/*
+Name: privateCheckForResize
+Process: checks if array needs to be resized,
+         resizes (increases capacity of) array to double current capacity
+Function input/parameters: pointer to state array type (StateArrayType *)
+Function output/parameters: updated pointer
+                            to state array type (StateArrayType *)
+                            if resize has taken place, 
+                            otherwise array type is unchanged
+Function output/returned: none
+Device input/---: none
+Device output/---: none
+Dependencies: malloc, sizeof (C keyword), deepCopyData, free
+*/
+void privateCheckForResize( StateArrayType *stateData )
+{
+    // no return, void
+}
+
+/*
+Name: privateCopyString
+Process: copies string character for character up to NULL_CHAR of source string
+Function input/parameters: source string to be copied (const char *)
+Function output/parameters: destination string (char *)
+Function output/returned: none
+Device input/---: none
+Device output/---: none
+Dependencies: none
+*/
+void privateCopyString( char *dest, const char *src )
+{
+    // no return, void
+}
+
+/*
+Name: removeItemAtIndex
+Process: removes from array at index, shifts data down as needed,
+         returns true if found, false otherwise
+Function input/parameters: pointer to state array type (StateArrayType *),
+                           index to remove (int)
+Function output/parameters: pointer to updated state array type
+                                                             (StateArrayType *),
+                            pointer to removed item (StateDataType *)
+Function output/returned: Boolean result of removal operation (bool)
+Device input/---: none
+Device output/---: none
+Dependencies: none
+*/
+bool removeItemAtIndex( StateArrayType *stateData, 
+                                  StateDataType *removedItem, int removeIndex )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: setItemToEmpty
+Process: sets state data type struct to empty or default values,
+         including empty string and majority 'x'
+Function input/parameters: pointer to state data value (StateDataType *)
+Function output/parameters: pointer to updated state data value 
+                                                               (StateDataType *)
+Function output/returned: none
+Device input/---: none
+Device output/---: none
+Dependencies: none
+*/
+void setItemToEmpty( StateDataType *data )
+{
+    // no return, void
+}
\ No newline at end of file
diff --git a/PA05-1004/IteratorUtility.c b/PA05-1004/IteratorUtility.c
new file mode 100644
index 0000000..9ac5c05
--- /dev/null
+++ b/PA05-1004/IteratorUtility.c
@@ -0,0 +1,171 @@
+// header files
+#include "IteratorUtility.h"
+
+/* Data Structures
+typedef struct IteratorStruct
+   {
+    StateArrayType *iterData;
+
+    int currentIndex;
+   } IteratorType;
+Data Structures */
+
+// function implementation
+
+/*
+Name: clearIterator
+Process: clears the StateDataType sub-structure, and then the IteratorType
+Function input/parameters: pointer to IteratorType (IteratorType *)
+Function output/parameters: none
+Function output/returned: NULL
+Device input/---: none
+Device output/---: none
+Dependencies: clearDataStructure, free
+*/
+IteratorType *clearIterator( IteratorType *iterator )
+{
+    // return NULL
+    return NULL;
+}
+
+/*
+Name: createIterator
+Process: initializes the IteratorType,
+         and then the StateDataType sub-structure
+Function input/parameters: initial capacity (int)
+Function output/parameters: none
+Function output/returned: pointer to initialized IteratorType (IteratorType *)
+Device input/---: none
+Device output/---: none
+Dependencies: malloc, createDataStructure
+*/
+IteratorType *createIterator( int initialCapacity )
+{
+    // return IteratorType
+    return NULL;
+}
+
+/*
+Name: getFirst
+Process: gets first value in iterator, returns true,
+         returns false otherwise
+Function input/parameters: pointer to IteratorType (IteratorType *)
+Function output/parameters: return value (StateDataType *)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: getItemAtIndex
+*/
+bool getFirst( IteratorType *iterator, StateDataType *returned )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: getLast
+Process: gets last value in iterator, returns true,
+         returns false otherwise
+Function input/parameters: pointer to IteratorType (IteratorType *)
+Function output/parameters: return value (StateDataType *)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: getItemAtIndex, getListSize
+*/
+bool getLast( IteratorType *iterator, StateDataType *returned )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: getNext
+Process: gets next value in iterator if available, returns true,
+         otherwise, sets return value to empty, returns false
+Function input/parameters: pointer to IteratorType (IteratorType *)
+Function output/parameters: return value (StateDataType *)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: getItemAtIndex, getListSize
+*/
+bool getNext( IteratorType *iterator, StateDataType *returned )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: getPrevious
+Process: gets previous value in iterator if available, returns true,
+         otherwise, sets return value to empty, returns false
+Function input/parameters: pointer to IteratorType (IteratorType *)
+Function output/parameters: return value (StateDataType *)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: getItemAtIndex
+*/
+bool getPrevious( IteratorType *iterator, StateDataType *returned )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: insertAfterCurrentIndex
+Process: inserts value immediately after currentIndex, if possible, returns true,
+         otherwise, returns false
+Function input/parameters: pointer to IteratorType (IteratorType *),
+                           value to be inserted (const StateDataType)
+Function output/parameters: none
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: insertItemAtIndex, getListSize
+*/
+bool insertAfterCurrentIndex( IteratorType *iterator, 
+                                             const StateDataType toBeInserted )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: insertAtCurrentIndex
+Process: inserts value at currentIndex, if possible, returns true
+         otherwise, returns false
+Function input/parameters: pointer to IteratorType (IteratorType *),
+                           value to be inserted (const StateDataType)
+Function output/parameters: none
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: insertItemAtIndex
+*/
+bool insertAtCurrentIndex( IteratorType *iterator, 
+                                             const StateDataType toBeInserted )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: removeAtCurrentIndex
+Process: removes value at current index if possible, returns true,
+         otherwise, sets return value to empty, returns false
+Function input/parameters: pointer to IteratorType (IteratorType *),
+                           value to be remove (StateDataType *)
+Function output/parameters: pointer to updated IteratorType (IteratorType *),
+                            pointer to item removed (StateDataType *)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: removeItemAtIndex, getListSize
+*/
+bool removeAtCurrentIndex( IteratorType *iterator, StateDataType *removedItem )
+{
+    // return false (TEMP)
+    return false;
+}
\ No newline at end of file
diff --git a/PA05-1004/Makefile b/PA05-1004/Makefile
index e18051c..62901a1 100644
--- a/PA05-1004/Makefile
+++ b/PA05-1004/Makefile
@@ -1,25 +1,28 @@
 CC = gcc -Wall
-SOURCES = PA04_Main.c BasicUtilities.c RoomUtilities.c CourseUtilities.c Console_IO_Utility.c File_Input_Utility.c File_Output_Utility.c
-OBJECTS = PA04_Main.o BasicUtilities.o RoomUtilities.o CourseUtilities.o Console_IO_Utility.o File_Input_Utility.o File_Output_Utility.o
+SOURCES = PA05_Main.c ArrayDataEngine.c IteratorUtility.c QueueUtility.c StackUtility.c Console_IO_Utility.c File_Input_Utility.c File_Output_Utility.c
+OBJECTS = PA05_Main.o ArrayDataEngine.o IteratorUtility.o QueueUtility.o StackUtility.o Console_IO_Utility.o File_Input_Utility.o File_Output_Utility.o
 
 # Uses the template structure defined in the TypicalUtils folder
 
-all: PA04_Main
+all: PA05_Main
 
-PA04_Main: $(OBJECTS)
-	$(CC) $(OBJECTS) -o PA04_Main
+PA05_Main: $(OBJECTS)
+	$(CC) $(OBJECTS) -o PA05_Main
 
-PA04_Main.o: PA04_Main.c
-	$(CC) -c PA04_Main.c -o PA04_Main.o
+PA05_Main.o: PA05_Main.c
+	$(CC) -c PA05_Main.c -o PA05_Main.o
 
-BasicUtilities.o: BasicUtilities.c
-	$(CC) -c BasicUtilities.c -o BasicUtilities.o
+ArrayDataEngine.o: ArrayDataEngine.c
+	$(CC) -c ArrayDataEngine.c -o ArrayDataEngine.o
 
-CourseUtilities.o: CourseUtilities.c
-	$(CC) -c CourseUtilities.c -o CourseUtilities.o
+QueueUtility.o: QueueUtility.c
+	$(CC) -c QueueUtility.c -o QueueUtility.o
 
-RoomUtilities.o: RoomUtilities.c
-	$(CC) -c RoomUtilities.c -o RoomUtilities.o
+IteratorUtility.o: IteratorUtility.c
+	$(CC) -c IteratorUtility.c -o IteratorUtility.o
+
+StackUtility.o: StackUtility.c
+	$(CC) -c StackUtility.c -o StackUtility.o
 
 Console_IO_Utility.o: Console_IO_Utility.c
 	$(CC) -c Console_IO_Utility.c -o Console_IO_Utility.o
@@ -31,13 +34,13 @@ File_Output_Utility.o: File_Output_Utility.c
 	$(CC) -c File_Output_Utility.c -o File_Output_Utility.o
 
 clean:
-	rm -f $(OBJECTS) PA03_Main PA03_Main.out
+	rm -f $(OBJECTS) PA05_Main PA05_Main.out
 
 clean_objects:
 	rm -f $(OBJECTS)
 
 run:
-	./PA04_Main
+	./PA05_Main
 
 run_win:
-	PA04_Main
+	PA05_Main
diff --git a/PA05-1004/QueueUtility.c b/PA05-1004/QueueUtility.c
new file mode 100644
index 0000000..cc3258f
--- /dev/null
+++ b/PA05-1004/QueueUtility.c
@@ -0,0 +1,99 @@
+// header files
+#include "QueueUtility.h"
+
+/* Data Structures
+typedef struct StateArrayStruct
+   {
+    StateDataType *array;
+
+    int size, capacity;
+   } QueueType; (aka StateArrayType)
+Data Structures*/
+
+// function implementations
+
+/*
+Name: clearQueue
+Process: clears QueueType, returns NULL
+Function input/parameters: pointer to queue type (QueueType *)
+Function output/parameters: none
+Function output/returned: NULL
+Device input/---: none
+Device output/---: none
+Dependencies: clearDataStructure
+*/
+QueueType *clearQueue( QueueType *queue )
+{
+    // return NULL
+    return NULL;
+}
+
+/*
+Name: createQueue
+Process: creates QueueType, initializes front index to zero,
+         rear index to -1, returns pointer to data structure
+Function input/parameters: initial capacity (int)
+Function output/parameters: none
+Function output/returned: pointer to queue type (QueueType *)
+Device input/---: none
+Device output/---: none
+Dependencies: createDataStructure
+*/
+QueueType *createQueue( int initialCapacity )
+{
+    // return QueueType
+    return NULL;
+}
+
+/*
+Name: peekFront
+Process: captures value at front of queue
+         returns true if successful and sets return value, 
+         otherwise, sets return value to empty, returns false
+Function input/parameters: pointer to queue type (QueueType *)
+Function output/parameters: pointer to return value (StateDataType *)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: getItemAtIndex, getListSize
+*/
+bool peekFront( StateDataType *returnVal, const QueueType queue )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: dequeue
+Process: captures value at front of queue, removes and returns value,
+         returns true if successful, 
+         otherwise, sets return value to empty, returns false
+Function input/parameters: pointer to queue type (QueueType *)
+Function output/parameters: pointer to return value (StateDataType *)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: removeItemAtIndex, getListSize
+*/
+bool dequeue( StateDataType *returnVal, QueueType *queue )
+{
+    // return false (TEMP)
+    return false;
+}
+
+/*
+Name: enqueue
+Process: sets value at rear of queue
+         returns true if successful, false otherwise
+Function input/parameters: pointer to queue type (QueueType *)
+Function output/parameters: value to be pushed (const StateDataType)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: insertItemAtIndex
+*/
+bool enqueue( QueueType *queue, const StateDataType toBePushed )
+{
+    // return false (TEMP)
+    return false;
+}
\ No newline at end of file
diff --git a/PA05-1004/StackUtility.c b/PA05-1004/StackUtility.c
new file mode 100644
index 0000000..799145c
--- /dev/null
+++ b/PA05-1004/StackUtility.c
@@ -0,0 +1,95 @@
+// header files
+#include "StackUtility.h"
+
+/* Data Structures
+typedef struct StateArrayStruct
+   {
+    StateDataType *array;
+
+    int size, capacity;
+   } StackType; (aka StateArrayType)
+Data Structures*/
+
+// function implementations
+
+/*
+Name: clearStack
+Process: clears StackType, returns NULL
+Function input/parameters: pointer to stack type (StackType *)
+Function output/parameters: none
+Function output/returned: NULL
+Device input/---: none
+Device output/---: none
+Dependencies: clearDataStructure
+*/
+StackType *clearStack( StackType *stackData )
+{
+    // return NULL
+    return NULL;
+}
+
+/*
+Name: createStack
+Process: creates StackType, returns pointer to it
+Function input/parameters: initial capacity (int)
+Function output/parameters: none
+Function output/returned: pointer to stack type (StackType *)
+Device input/---: none
+Device output/---: none
+Dependencies: createDataStructure
+*/
+StackType *createStack( int initialCapacity )
+{
+    // return StackType
+    return NULL;
+}
+
+/*
+Name: peekTop
+Process: captures value at top of stack, returns,
+         returns true if successful, 
+         otherwise, sets return value to empty, returns false
+Function input/parameters: pointer to stack type (StackType *)
+Function output/parameters: pointer to return value (StateDataType *)
+Function output/returned: Boolean result of operation (bool)
+Device input/---: none
+Device output/---: none
+Dependencies: getItemAtIndex, getListSize
+*/
+bool peekTop( StateDataType *returnVal, const StackType stackData )
+{
+    // return false (TEMP)
+}
+
+/*
+Name: popStack
+Process: captures value at top of stack, removes and returns,
+         returns true if successful, 
+         otherwise, sets return value to empty, returns false
+Function input/parameters: pointer to stack type (StackType *)
+Function output/parameters: pointer to return value (StateDataType *)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: removeItemAtIndex, getListSize
+*/
+bool popStack( StateDataType *returnVal, StackType *stackData )
+{
+    // return false (TEMP)
+}
+
+/*
+Name: pushStack
+Process: sets value at top of stack,
+         returns true if successful, false otherwise
+Function input/parameters: pointer to stack type (StackType *)
+Function output/parameters: value to be pushed (const StateDataType)
+Function output/returned: Boolean result of operation
+Device input/---: none
+Device output/---: none
+Dependencies: insertItemAtIndex, getListSize
+*/
+bool pushStack( StackType *stackData, const StateDataType toBePushed )
+{
+    // return false (TEMP)
+}
\ No newline at end of file