Post the following transactions to T-accounts and determine each account's ending balance.

	Account Titles	Debit	Credit
1	Supplies	2,800			Supplies			Cash			Service Revenue
	Accounts Payable		2,800
2	Accounts Receivable	4,000
	Service Revenue		4,000
3	Cash	3,000
	Accounts Receivable		3,000
4	Accounts Payable	1,000
	Cash		1,000		Accounts Receivable			Accounts Payable