Please answer the following

(15 points question total) A corporation has an ROC of 15%, debt-equity ratio of 1/3, after-tax cost of debt of 6%, cost of equity of 18%, a reinvestment rate of 33.33% and an after-tax operating margin of 30%. (a) (5 points) Find this company's EV/Book value of capital multiple. (b) (5 points) Find this company's EV/Sales multiple. (c) (5 points) Find this company's EV/EBIT(1-t) multiple