Answer:
Machine B
Explanation:
The formula to compute the accounting rate of return is shown below:
= Annual net income ÷ average investment
For Machine A, it would be
= $40,000 ÷ $300,000
= 13.33%
For Machine B, it would be
= $50,000 ÷ $250,000
= 20%
For Machine C, it would be
= $75,000 ÷ $500,000
= 15%
The higher the average rate of return the best is the machine. So, the Machine B has best average rate of return