Answer:
ROI
Explanation:
To measure the efficiency of the an investment, we use a term called "ROI"
That is return on investment. which is calculated by the formula
(return earned/ capital invested)*100.
Lets assume that you invested $10000 in any bank or business venture, and you earned a profit or return of $2000. So your percentage of return is (2000/10000)*100 = 20%