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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 Table

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?

Select one:

a. A, B, and C.

b. A, B, C, D, and E.

c. A and B.

d. A, B, and D.

e. A, B, C, and D.