please answer both

The following information relates to Questions 7 - 8. A corporation has net income of $1,311 million, after-tax interest ex- pense of $477.4 million, debt of $7,018 million, shareholder's equity of $9,724 million, and total assets of $9,470 million. Give the above information, what is the return on capital (ROC) of this corporation? (Hint: Use 3 decimal points for your calculations.) A. 14.7% B. 12.8% C. 11.4% D. 10.6% E. None of the above. 8. Given the above information, what is the return on assets (ROA) of this corporation? (Hint: Use 3 decimal points for your calculations.) A. 11.6% B. 13.9% C. 17.8% D. 10.6% E. None of the above