Xoom Corp. is trading at a forward EV ratio of 10, a EBIT1(1-Tc) EV ratio of 1. Based on the Sales EV EV forward ratio of 5, an EBIT Capital previous information please answer the following questions: ratio of 2 and an ( (a) (5 points) What is Xoom Corp.'s marginal corporate tax rate (Tc) equal to? (b) (5 points) What is Xoom Corp.'s return on capital (ROC) equal to? (c) (5 points) What is Xoom Corp's after-tax operating margin (ATOM) equal to