Gates Appliances has a return-on-assets (Investment) ratio of 20 percent. a. If the debt-to-total-assets ratio is 45 percent, what is the return on equity? (Input your answer as a percent rounded to places.) Return on equity % b. If the firm had no debt, what would the return-on-equity ratio be? (Input your answer as a percent rounded to 2 decima % Return on equity