If a firm has the following sources of finance, Current liabilities....... $100,000 Long-term debt....... 350,000 Preferred stock.......

Question:

If a firm has the following sources of finance,
Current liabilities....... $100,000
Long-term debt....... 350,000
Preferred stock....... 75,000
Common stock....... 225,000
Earns a profit of $35,000 after taxes, and pays $7,500 in preferred stock dividends, what is the return on assets, the return on total equity, and the return on common equity?