Answer:
36.36%
Step-by-step explanation:
Return on investment is given as;
Profit / Cost of goods sold × 100%
Given that profit is $12,000 and sales is $45,000 ;
Cost of goods sold
= $45,000 - $12,000
= $33,000
Therefore, return on investment is
= 12,000 / 33,000 × 100%
= 36.36%