Answer:
$180 per pair
Explanation:
Return on Investment (ROI) is the ratio of net earning on the investment. It is used for the financial decision to compare different companies total earning over amount invested by the company.
Return on Investment = Net Income / Investment
As per given Condition
50% = Net Income / $1,800,000
Net income = $1,800,000 x 50%
Net income = $900,000
Net Income per pair of shoes = $900,000 / 5,000 pairs = $180 per pair