You will use this same set of facts about Drake Corporation to answer all of the following depreciation calculation questions, so pay attention to the item, year, and method being asked: Drake Corporation bought a machine at the beginning of the year at a cost of $50,000. The estimated useful life was five years and the residual value was $5,000. Assume that the estimated productive life of the machine is 10,000 units. Expected annual production for year 1 is 3,000 units; year 2 is 2,000 units; year 3 is 1,800 units; year 4 is 1,700 units; and year 5 is 1,500 units What is the Book Value of the machine at the end of year 4 under the double-declining-balance method? Multiple Choice $1,480 O $1,912 $6,480 $6.912