For each component please specify:
Name
What it does
Inputs
Outputs
How use other components


Withdrawal Scenario

Components: 
User interface that reads user cash requested
	Name enterAmount
	What it does: Takes in input on how much withdrawal should be, and changes it to 
	some amount divisible by ten
	Inputs:  Number from touchpad that user entered
	Outputs: integer divisible by ten
	How use other components: Gives the amount to balanceCheck
Database with user's cash balance
	Cash checker
	Throttler
		Name balanceCheck
		What it does: It finds the user's balance, checks that they have enough cash for 
		withdrawal in account. Also checks that amount isn't above set limit
		Inputs: integer divisible by ten 
		Outputs: boolean, true if enough money exists
		How use other components: 
Check ATM has funds to give
	Name machineMoneyChecker
	What it does: checks that the machine has enough funds to give, matching withdrawal
	amount
	Inputs: integer divisible by ten
	Outputs: boolean, true if atm has enough cash
	How use other components: input is from enterAmount, after being checked by balanceCheck

Control for when getting cash that shows progress
Cash drawer interface that dispenses cash
	Name giveCash
	What it does: gives cash to user, freezes account and shows progress during transaction
	Inputs: two booleans, and integer divisible by ten
	Outputs: Have a nice day string
	How use other components: gets output from all other components
Control logic
Return back to main menu