Answer:c. 12.0%
Explanation:Return on Investment (ROI) is a measure used by firms in order to determine how effective an investment is in terms of gains from its proceeds when compared to the amount invested .
Given
Yellowday Energy margin as 3%
turnover= 4.0 and sales as $50million,
we can calculate the ROI,Return on Investment , as the Profit margin multiplied by turnover
ROI = Profit Margin x Turnover
= 3% x 4.0
= 0.03 x 4.0
=0.12
0.12 x 100
= 12.0%
