CoffeeCarts has a cost of equity of 15.3%, has an offective cost of debt of 3.9%, and is financed 73% with equby and 27% with debt. What is this firm's WACC? CoffeeCarts's WACC is (Round to one decimal place.) Laurel, Inc., has debt outatanding with a coupon rate of 5.9% and a yield to maturity of 7.1%. Its tax rate is 35%. What is Laurefs effective (after-tax) cost of debt? NOTE: Assume that the debt has annual coupons. Note: Assume that the firm will always be able to utilize its full interest tax shield. The effective after-tax cost of debt is \%. (Round to four decimal places.)