The following data refers to one month for Talmidge Company. Fill in the blanks Direct materials inventory, March1 Direct materials inventory, March 31 Work-in-process inventory, March 1 Work-in-process inventory, March 31 Finished goods inventory, March 1 Finished goods inventory, March 31 Purchases of direct materials Cost of goods manufactured during the month Total manufacturing costs Cost of goods sold Gross margirn Direct labor Direct materials used Manufacturing overhead Sales revenue 30,000 20,500 6,400 33,400 38,300 144,000 141,000 170,900 67,000 45,000 310,000