Answer:
The required minimun return on investment was 10%
Step-by-step explanation:
the rate of return formula:
return / investment = rate of return
return: contribution er unit x total units
sales - cost = contribution
200- 195 = 5 contribution
5 contribution x 100,000 units = 500,000 return
500,000/5,000,000 = 0.1 = 10%