Bayside Coatings Company purchased waterproofing equipment on January 2, 20Y4, for $190,000. The equipment was expected to have a useful life of four years and residual value of $9,000

Determine the amount of depreciation expense for the years ended December 31, 20Y4, 20Y5, 20Y6, and 20Y7, by

a) straight-line method and

b) the double-declining-balance method

Also determine the total depreciation expense for the four years by each method