Test Company reported the following inventory balances.

Raw materials inventory, July 31	$3,000
Work-in-process inventory, July 1	$8,000
Work-in-process inventory, July 31	$6,000
Finished goods inventory, July 1	$4,000

In addition, the company reported the following information for the month of July.

Materials purchases	$14,000
Direct labor	$15,000
Administrative costs	$13,000
Direct materials used	$16,000
Selling costs	$14,000
Cost of goods manufactured	$45,000
Cost of goods sold	$46,000
Sales	$80,000

Determine the raw materials inventory for July 1 (the beginning balance).

Determine overhead cost incurred for July.

Determine the finished goods inventory on July 31 (the ending balance).

Determine the operating income for July.