Mighty Muffler Inc. had the following inventory balances at the beginning and end of 2019. Inventory Classification January 1, 2019 December 31, 2019 Work in Process $90,000 $100,000 Finished Goods $110,000 $ 130.000 Raw Material $100.000 $60.000 During 2019, the company spent $100,000 on direct labor and purchased $50,000 raw material. Manufacturing overhead costs were as follows: Indirect Materialan C $20,000 e of the Middle East, 2020 Indirect Labor $10,000 Insurance $8,000 Depreciation on machines $10,000 Production supervisor's $20,000 salary