Answer:
15.4%
Step-by-step explanation:
Calculation to determine what would the ROI be
ROI=[ ( $2.40 - $1.30) * 21,400 - $7,400]/100,000
ROI=($1.1 * 14,000)/100,000
ROI=$15,400/100,000
ROI=0.154*100
ROI=15.4%
Therefore the ROI would be 15.4%
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