9. Nickle Company reports net income of $800 million for its fiscal year ended January 2017. At the beginning of that fiscal year, Nickle Company had $5,000 million in total assets. By fiscal year-end 2017, total assets had grown to $6,500 million.

What is Nickle's return on assets (ROA)?

a. 13.9% b. 16.0% c. 12.3% d. 10.7%