Missing amounts completing the income statement, accounting homework help

Income Statement

For the Year Ended December 31, 2012

Sales . . . . . . . . . . . . . . . . . .

$750,000

Cost of goods sold . . . . . . .?????

Gross profit on sales . . . . . .

450,000

Administrative expenses . .

50,000

Operating income . . . . . . . .??????

Interest expense . . . . . . . . .

5,000

Income tax expense . . . . . .

138,250

Net income . . . . . . . . . . . . .

Balance Sheet

At December 31, 2012

Cash . . . . . . . . . . . . . . . . . .???

Accounts payable . . .

$13,100

Accounts receivable . . . . . .

14,000

Note payable . . . . . . .

9,600

Inventory . . . . . . . . . . . . . . .

49,000

Equipment . . . . . . . . . . . . . .

965,000

Contributed capital . .

550,000

Retained earnings . . .???

Total . . . . . . . . . . . . . . . . . .

$1,132,000

Total . . . . . . . . . . . . . .?????