How would I go about finishing this problem? I am confused on double declining and then straight line for Sept 2015 as well as answers missed.

Thanks

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 ,700 $218 and was estimated to have a useful life of six years or 781,200 platings, after which it could be sold for $23,400. Required a. Calculate each years depreciation expense for the period 2015-2020 under each of the following depreciation methods (round all answers to the nearest dollar): 1. Straightline. 2. Double-declining balance. 3. Units-of-production. (Assume annual production in platings of 140,000; 180,000; 150,000; 125,000; 105000; and 81,200.) 1. Straight-Line Depreciation Expense Year 2015 $ 32,550 2016 32550 2017 32550 2018 32550 2019 32,550 v 2020 32,550