Consider a company whose financing comes from debt and equity with the following market values: Market Value of Equity: 500 MM Market Value of Debt: 700 MM a) What is the value of the firm's portfolio of financing? b) What is the value of the firm's portfolio of assets? Suppose you obtain the following estimates of the required returns of the company's debt and equity: rrD = 10% rrE = 17% c) What is the required return of the firm's portfolio of financing? d) What is the required return of the firm's portfolio of assets