Black Rock 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 Black Rock Labs 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:

$\backslash$table$[[$Project Risk,Expected Return.$],[$A$,$High,$15\%$