Straight-Line, Declining-Balance, and Sum-of-the-Years'-Digits Methods A light truck is purchased on January 1 at a cost of $22,200. It is expected to serve for five years and have a salvage value of $1,200. Calculate the depreciation expense for the first and third years of the truck's life using the following methods: If required, round your answers to the nearest cent. Depreciation Expense Year 1 Year 3 1. Straight-line 2. Double-declining-balance $ 3. Sum-of-the-years'-digits $