Far North company is considering its work in process inventory balances which show the following figures Work-in-process inventory, 1 January 2019 $43,000 Work-in-process inventory, 31 December 2019 $48,500 Conversion costs during the year $415,000 If direct materials used during the year were $135,000, what was cost of goods manufactured? a. $140,500. b. $539,000. c. $409,500. d. $544,500. e. some other amount