Dunbar Inc has an overall (composite) WACC of 10%, which reflects the cost of capital for its average asset. Its assets vary widely in risk, and Dunbar evaluates low-risk projects with a WACC of 8%, average projects at 10%, and high-risk projects at 12%. The company is considering the following projects: Which projects should the firm accept to maximize shareholder wealth? a. A, B, C, and D b. A, B, and D C. A, B, and C d. A, B, C, D, and E