15. Dec 1. Zoom sales last year were $435.000. its operating costs including Depreciation were $362.500, and its interest charges were $12.500. What was the firm's times-interest-earned (TIE) ratio? a) 472 b) 5.80 c) 523 d) 5.51 e) None of the above 2. You want to quit your job and go back to school for a law degree 4 years from now, and you plan to save $3,600 per year, beginning immediately. You will make 4 deposits in an account that pays 5.7% interest. How much will you have 4 years from today? a) $15,112 b) $16,112 Oc) $17,112 d) $21,250 e) None of the above