Direct materials inventory, January 1 Direct materials inventory, December 31 work-in-process inventory, January 1 work-in-process inventory, December 31 Finished goods inventory, January 1 Finished goods inventory, December 31 cost of goods manufactured during this year Total manufacturing costs Direct labor Manufacturing overhead Average selling price per unit Gross margin percentage (as a percentage of sales) $ 2,520 2, 088 5,440 6, 110 22, 320 38, 770 611, 650 612, 320 270, 400 225,000 18 38% Required: a. Find the cost of goods sold. b. Find the direct materials used. c. Find the purchases of direct materials. d. Find the sales revenue. a. b. $ Cost of goods sold Direct materials used Purchases of direct materials Sales revenue 116,920 116.488 C. $ d