Mackey purchased a used van for use in its business on January 1,2020 . It paid $17,000 for the van. Mackey expects the van to have a useful life of four years, with an estimated residual value of $1,400. Mackey expects to drive the van 21,000 miles during 2020, 18,000 miles during 2021,11,000 miles in 2022 , and 50,000 miles in 2023, for total expected miles of 100,000 Read the requirements. (Complete all input fields. Enter a "0" for any zero values.)