Aceline Corporation is currently all-equity financed, with a cost of capital of 15% and a firm value of $10 million. The company is considering a $3 million debt issue at an 8% interest rate. The money raised will be used to repurchase shares. The company's marginal tax rate is 35%. According to the M&M Proposition, what is Aceline's WACC after the debt issue? Select one: a. 13.09% b. 13.57% c. 14.10% d. 15.00% e. 16.70%