4-) The capital structure of Firm B consists of 70% debt and 30% equity. The pre-tax cost of the debt is 12% and the tax rate is 30%. The risk-free interest rate is 5%, and the market risk premium (again) is 6%. Firm beta is 1.25. a) Find the weighted average cost of capital b) Would this firm accept a project with an internal rate of return of 8%? Why