Manufacturing Inc. purchased a machine on 1 January 20X2 for $590,000. The estimated physical life of the machine is 15 years, but the estimated useful life to Manufacturing is 10 years. The equipment has an estimated residual value of $91,020. The equipment was ready for use on 1 January 20X2. Required: 1. Calculate depreciation expense for 20X2 and 20X3 using the straight-line method. Depreciation Expense 20X2 20X3 2. Assume the machine is anticipated to produce 818,000 units. In 20X2 the machine produced 159,000 units and in 20X3 129,000 units. Calculate depreciation expense for 20X2 and 20X3 using the productive-output method. 20X2 Depreciation Expense 20X3 K