Copy equipment was acquired at the beginning of the year at a cost of $72,000 that has an estimated residual value of $9,000 and an estimated useful life of 5 years. It is estimated that the machine will output an estimated 1,000,000 copies. This year, 315,000 copies were made.
Determine the (a) depreciable cost, (b) depreciation rate, and (c) the units of output depreciation for the year.