21. Linton Company purchased a delivery truck for $34,000 on January 1, 2017. The truck has an expected salvage value of $2,000, and is expected to be driven 100,000 miles over its estimated useful life of 8 years. Actual miles driven were 15,000 in 2017 and 12,000 in 2018. instructions (a) Compute depreciation expense for 2017 and 2018 using (1) the straight-line method, (2) the units-of-activity method, and (3) the double-declining-balance method. (b) Assume that Linton uses the straight-line method. (i) Prepare the journal entry to record 2017 depreciation. (ii)Show how the truck would be reported in the December 31, 2017, balance sheet