The following costs were incurred by a manufacturing company: Materials used in product $121,800 Depreciation on plant 6,500 Property taxes on plant 910 Labour costs of assembly-line workers 150,500 Factory supplies used 3,050 Advertising expense 4,700 Factory insurance 21,450 Factory supervisor's salary 50,750 Work in process inventory was $5,100 at January 1 and $6,200 at December 31. Finished goods inventory was $30,100 at January 1 and $30,300 at December 31. (a) Calculate cost of goods manufactured. Cost of goods manufactured $