Equipment with a cost of $160, 000 has an estimated residual value of $10, 000 and an estimated life of 5 years or 12, 000 hours. It is to be depreciated by the straight-line method. What is the amount of depreciation for the first full year, during which the equipment was used 3, 300 hours? a. $30, 000 b. $32, 500 c. $34, 000 d. $40, 000 A machine with a cost of $65, 000 has an estimated residual value of $5, 000 and an estimated life of 4 years or 18, 000 hours. What is the amount of depreciation for the second lull year, using the double declining-balance method ? a. $15, 000 b. $30, 000