Depreciation Methods

On January 2, 2015, Alvarez Company purchased an electroplating machine to help manufacture a part for one of its key products. The machine cost $218,700 and was estimated to have a useful life of six years or 781,200 platings, after which it could be sold for $23,400.

b. Assume that the machine was purchased on September 1, 2015. Calculate each year's depreciation expense for the period 2015-2021 under each of the following depreciation methods:

1. Straight-line.

2. Double-declining balance.

1. Straight-Line

Year Depreciation

2015 ???

2016 32,550

2017 32,550

2018 32,550

2019 32,550

2020 ?????

2. Double-declining balance

Year Depreciation

2015 ?????

2016 ?????

2017 ????

2018 ????

2019 ?????

2020 ?????