Jared Industries Ltd., a public company, presents you with the following information:

Description Date Purchased Cost Residual Value Life in Years Depreciation Method Accumulated Depreciation to Dec. 31, 2020 Depreciation for 2021

Machine A Dec. 2, 2019 $142,500 $16,000 10 (a) $39,900 (b)

Machine B Aug. 15, 2018 (c) 21,000 5 Straight-line 29,000 (c)

Machine C July 21, 2017 75,400 23,500 8 Double-declining-balance (e) (f)

Required

1.Complete the table for the year ended December 31, 2021. The company depreciates all assets for a half year in the year of acquisition and the year of disposal.

2.What criteria would you consider in determining whether to select the straight-line or double-declining-balance method?