THE Company applies overhead to products using a pre-determined rate of $6 per direct labor hour. During 2021, THE Company had the following costs: Direct materials purchased Direct labor Factory utilities Depreciation, office equipment Advertising Indirect labor Shipping goods to customers Property taxes, factory building $180,000 195,000 37,000 29,000 42,000 16,000 21,000 33,000 THE Company's inventory accounts for 2021 were: Direct materials Work in process Finished goods January 1 69,000 42,000 28,000 December 31 31,000 55,000 64,000 Direct labor workers are paid $15 per hour. The prime costs for 2021 were equal to