Create vending machine simulator

Create vending machine simulator:
minimum of five (5) products, each with name/price/quantity in stock
menu that displays items (name/price/quantity in stock) AND an option to exit the program
allows the user to select an in-stock item for purchase (or to exit)
collects payment (in whole-number "credits", NOT floating-point currency values) for the item
displays a breakdown of change to be given (in quarters/dimes/nickels/pennies)
keeps a history of all items purchased, including name/quantity purchased/total amount
decrements the quantity of the item purchased from stock
on exit, displays the history of purchases

*has a loop that keeps the program repeating until the user chooses to exit
*uses at least one array
*uses at least one hash