11) On January 1, 2018, Boston Company purchased a heavy duty machine having an invoice price of $13,000. Boston paid transportation and installation costs totaling $3,000. The machine is estimated to have a 4-year useful life and a $1,400 residual value. Calculate depreciation expense and book value for 2018-2021, assuming double declining-balance method of depreciation.

Answer:

Date	Depreciation Expense (for the year)	Book Value (at the end of the year)
12/31/2018
12/31/2019
12/31/2020
12/31/2021