Ajax Corp's sales last year were $555,000, its operating costs were $445,500, and its interest charges were $12,500. What was the firm's times-interest-earned (TIE) ratio? Oa. 7.32 Ob. 9.76 Oc. 5.82 Od. 8.76 Oe. 7.76

1.7 .32 1.976 : 5.82 1. 8.76 4.7 .76