Key financial figures for Best Buys fiscal year ended February 28, 2009, follow. Key Figure In Millions

Question:

Key financial figures for Best Buy’s fiscal year ended February 28, 2009, follow.
Key Figure In Millions
Liabilities + Equity . . . . . . . . $15,826
Net income . . . . . . . . . . . . . . 1,003
Revenues . . . . . . . . . . . . . . . . 45,015
Required
1. What is the total amount of assets invested in Best Buy?
2. What is Best Buy’s return on assets? Its assets at March 1, 2008, equal $12,758 (in millions).
3. How much are total expenses for Best Buy for the year ended February 28, 2009?
4. Does Best Buy’s return on assets seem satisfactory if competitors average a 3.7% return?