Convert each of the following estimates of useful life to a straight-line depreciation rate, stated as a percentage: (a) 4 years, (b) 8 years, (c) 10 years, (d) 16 years, (e) 25 years, (f) 40 years,...

Convert each of the following estimates of useful life to a straight-line depreciation rate, stated as a percentage: (a) 4 years, (b) 8 years, (c) 10 years, (d) 16 years, (e) 25 years, (f) 40 years, (g) 50 years.

A refrigerator used by a meat processor has a cost of $48,000, an estimated residual value of $9,000, and an estimated useful life of 15 years. What is the amount of the annual depreciation computed by the straight-line method?