5. Costanza Inc. has a profit margin of 20%, sales of $20,000,000, debt of $7,500,000, and total assets of $22,500,000. Assuming an after-tax interest rate of 5% on all debt, what is Costanza's ROA? ( 2 points) 0.2020,000,000=4,000,000 7,500,0000.05