The Barnes Company purchased equipment costing $200,000 on January 1, 19x1. The equipment has an expected useful life of five years and a forecast net salvage value at retirement of $20,000. Prepare a schedule of depreciation for the years 19x1–19x5, showing for each year (1) the book value of the equipment at the beginning of the year, (2) the depreciation charge for the year, (3) the accumulated depreciation at the end of the year, and (4) the book value of the equipment at the end of the year. Prepare a separate schedule for each of the following methods:

a. Straight-line.

b. Declining balance at twice the straight-line rate.

c. Sum-of-the-years’ digits.