Dominion Electric Company (DEC) uses only debt and common equity. It can borrow unlimited amounts at an interest rate of rd 5 9% as long as it finances at its target capital structure, which calls for 35% debt and 65% common equity. Its last dividend (D0) was $2.20, its expected constant growth rate is 6%, and its common stock sells for $26. DECs tax rate is 40%. Two projects are available: Project A has a rate of return of 12% and Project Bs return is 11%. These two projects are equally risky and about as risky as the firms existing assets. a. What is its cost of common equity? b. What is the WACC? c. Which projects should Dominion accept?