Please answer correctly for me

At the beginning of 2015, your company buys a $31,200 piece of equipment that it expects to use for 4 years. The equipment has an estimated residual value of 6,000. The company expects to produce a total of 200,000 units. Actual production is as follows: 46,000 units in 2015, 53,000 units in 2016, 52,000 units in 2017, and 49,000 units in 2018. Required: a. Determine the depreciable cost. Depreciable Cost b. Calculate the depreciation expense per year under the straight-line method. Depreciation Expense per year c. Use the straight-line method to prepare a depreciation schedule Depreciation Accumulated Depreciation Net Book Value Year Expense Acquisition cost 2015 2016 2017 2018