Exercise 6-9A Computing and recording straight-line versus double-declining-balance depreciation At the beginning of Year 1. Copeland Drugstore purchased a new computer system for $52,000. It is expected to have a five-year life and a $7,000 salvage value. Required a. Compute the depreciation for each of the five years, assuming that the company uses (1) Straight-line depreciation. (2) Double-declining-balance depreciation. b. Record the purchase of the computer system and the depreciation expense for the first year under straight- line and double-declining-balance methods in a financial statements model like the following one