Amachine that originally cost 15 600 has a value of 7500 at the end of 3 years the same machine has a value of 2800 at the end of 8 yearsa) find the average rate of change in value (depreciation) of the machine between its purchase and the end of 3 yearsb) find the average tare of change in value of the machine between the end of 3 years and the end of 8 yearsc) interpret the sing of your answers

A) The rate for the first 3 years :

15,600 - 7500 = 8100

8100/3 years = 2,700 per year depreciation.

B) The rate between 3 and 8 years:

7500 - 2800 = 4700

4700 / 5 year = 940 per year depreciation.

C) the value of the machine depreciated at a higher rate in the first 3 years. After the first 3 years, the depreciation rate decreased.

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