you recently started a small affiliate marketing service. last month, you spent $1,000 on a pay - per…

you recently started a small affiliate marketing service. last month, you spent $1,000 on a pay - per - click (ppc) online advertising campaign that resulted in $1,200 in sales.\nwhat was last month’s return on investment (roi) for your affiliate marketing service?\n.2%\n120%\n20%\n80%
Answer
Explanation:
Step1: Recall ROI formula
ROI = $\frac{\text{Net Profit}}{\text{Cost of Investment}}\times100%$
Step2: Calculate net profit
Net Profit = Sales - Cost of Investment = $1200 - 1000=200$
Step3: Calculate ROI
ROI = $\frac{200}{1000}\times 100% = 20%$
Answer:
20%