a machine that originally cost $15,600 has a value of $7,500 at the end of three years. the same machine has a value of $2,800 at the end of 8 years

Question

use the title to answer the question.

find the average rate of change in value of the machine between the end of 3 years and the end of 8 years.

Answer 1

the depreciation rate between year 3 and 8 = (7500 - 2800) / (8-3) = $4700 / 5 years = $940 per year