Banko Inc. manufactures sporting goods. The following information applies to a machine purchased on January 1,2018 Purchase price Delivery cost Install Estimated life Estimated units Salvage estimate $90,800 $ 4,000 ation charge 3,000 5 years 153,000 $ 6,000 During 2018, the machine produced 49,000 units and during 2019, it produced 51,000 units. Required Determine the amount of depreciation expense for 2018 and 2019 using each of the following methods: 2018 2019 a. Straight-line b. Double-declining-balance c. Units of production