a company purchased a new truck on january 1,2019. the purchase price was 24,000. The estimated life of the truck was 5 year, and it had a residual value of 2,000. the truck is expect to provide 50,000 miles of services over the 5 year life. compute the depreciation expense for the first year for each of the following three depreciation methods.

Straight line method depreciation expense $---------------------------------------------------------

Units of activity method depreciation expense assume that the truck ran 12,500 miles in the first year. $-----------------------------------

Double- declining balance method depreciation expense------------------------