Waterway corporation purchased a truck at the beginning of 2020 for $59,500. the truck is estimated to have a salvage value of $2,380 and a useful life of 190,400 miles. it was driven 27,370 miles in 2020 and 36,890 miles in 2021. compute depreciation expense using the units-of-production method for 2020 and 2021.
a. depreciation expense for 2020 $enter a dollar amount.
b. depreciation expense for 2021 $enter a dollar amount.

Arnold rossiter is a 40-year-old employee of the barrington company who will retire at age 60 and expects to live to age 75. the firm has promised a retirement income of $20,000 at the end of each year following retirement until death. the firm's pension fund is expected to earn 7 percent annually on its assets and the firm uses 7% to discount pension benefits. what is barrington's annual pension contribution to the nearest dollar for mr. rossiter? (assume certainty and end-of-year cash flows.)