Answer:
a. Profit margin = Operating income/Sales x 100
= $56,496/$470,800 x 100
= 12%
b. Investment turnover = Turnover/Investment
= $470,800/$214,000
= 2.2 times
c. Return on investment(ROI) = Profit margin x Investment turnover
= 12 x 2.2
= 26.4%
Step-by-step explanation:
Profit margin is the relationship between operating income and sales.
Investment turnover is the relationship between sales(turnover) and investment.
Return on investment is the product of profit margin and investment turnover.