Answer:
36.2%
Explanation:
The ROI known as the return on investment is a performance tool used to measure the efficiency of an investment. It is calculated by dividing the net income by average operating assets , then multiply the result by 100. It is useful for measuring the performance of an investment overtime.
Workings
Net operating income =$3,108,960
Operating assets $8,600,000
ROI = 3108960/8600000*100 = 36.2%