Answer:
12.5%
Explanation:
the rate of return (RoR) on this investment = (additional revenues / investment) - 1 = ($450,000 / $400,000) - 1 = 1.125 - 1 = 0.125 or 12.5%
The rate of return (RoR) measures the profits or losses generated by a project compared to the total cost of the project.