Accounts Receivable had a balance of $1,680 at the beginning of the month and $1,260 at the end of the month. Credit sales totaled $16,800 during the month. Calculate the cash collected from customers during the month, assuming that all sales were made on account.

The Supplies account had a balance of $756 at the beginning of the month and $1,022 at the end of the month. The cost of supplies used during the month was $3,276. Calculate the cost of supplies purchased during the month.

Wages Payable had a balance of $574 at the beginning of the month. During the month, $5,320 of wages were paid to employees. Wages Expense accrued during the month totaled $5,740. Calculate the balance of Wages Payable at the end of the month.