Simpson Company reported net income of $78,200 for 2001. Interest expense of $4,800 was deducted in the calculation of this net income. The following schedule shows other information about the company’s capital structure:

Total Assets $670,000 $730,000 Total Owner’s Equity ; 415,000 465,000 Required: (1) Compute the return on total assets for 2001.
(2) Compute the return on owner's equity for 2001.
(3) Compute the debt ratio at the end of 2001. How does this compare with the debt ratio at the end of 2000?