Langston Labs has an overall (composite) WACC of 10%, which reflects the cost of capital for its average asset. Its assets vary widely in risk, and Langston evaluates low-risk projects with a WACC of 8%, average-risk projects at 10%, and high-risk projects at 12%. The company is considering the following projects:
Project Risk Expected Return
A High 15%
B Average 12%
C High 11%
D Low 9%
E Low 6%
Which set of projects would maximize shareholder wealth?