Answer:
0.73 or 73%
Step-by-step explanation:
Return on investment (ROI) shows the benefit an investor receives in relation to their invested amount. It is expressed as a ratio or a percentage of the net income against the investment's cost.
It is calculated using the formula below.
ROI = returns( profits)/ cost of investments.
For Lena, the cost of investment is $52,000( cost of the degree). The returns for one are the earnings in the year, which is $38,000.
ROI= $38,000/ $52,000
ROI =0.73 or 73%