Convert each of the following estimates of useful life to a straight-line depreciation rate, stated as a percentage, assuming that the residual value of the fixed asset is to be ignored:

(a) 4 years,
(b) 8 years,
(c) 10 years,
(d) 16 years,
(e) 25 years,
(f) 40 years,
(g) 50 years.
If required, round your answers to two decimal places.

Years Percentage

a. 4 years ? %
b. 8 years ? %
c. 10 years ? %
d. 16 years ? %
e. 25 years ? %
f. 40 years ? %
g. 50 years ? %

The calculations are shown below.

Explanation:

In order to compute the percentage rate we have to assume the initial cost be $100

So the percentage rate for the following years could be as follows

(a) 4 years     = $100 ÷ 4 = 25%

(b) 8 years    = $100 ÷ 8 = 12.5%

(c) 10 years    = $100 ÷ 10 = 10%

(d) 16 years    = $100 ÷ 16 = 6.25%

(e) 25 years    = $100 ÷ 25 = 4%

(f) 40 years    = $100 ÷ 40 = 2.5%

(g) 50 years    = $100 ÷ 50 = 2%

By dividing the initial cost by the number of years we can get the percentage rate and the same method is applied

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