Mackey purchased a used van for use in its business on January 1, 2020. It paid $18,000 for the van. Mackey expects the van to have a useful life of four years, with an estimated residual value of $1,500. Mackey expects to drive the van 21,000 miles during 2020, 20,000 miles during 2021,11,000 miles in 2022, and 113,000 miles in 2023, for total expected miles of 165,000 . Read the requirements. (Complete all input fields. Enter a " 0 " for any zero values.) Requirements Using the double-declining-balance method of depreciation, calculate the following amounts for the van for each of the four years of its expected life: a. Depreciation expense b. Accumulated depreciation balance c. Book value