4-15. (Financing decisions) Emma's Electronics Incorporated has total assets of $63 million and total debt of $42 million. The company also has operating profits of $21 million with interest expenses of $6 million. a. What is Emma's debt ratio? b. What is Emma's times interest earned? c. Based on the information above, would you recommend to Emma's manage- ment that the firm is in a strong enough position to assume more debt and increase interest expense to $9 million