Suppose$$ Alcatel$-$Lucent has an equity cost of capital of $10\mathrm{.}1\%,$ market capitalization of $ $11\mathrm{.}68$billion$,$ and an enterprise value of $ $16$ billion. Suppose$$ Alcatel$-$Lucent's debt cost of capital is $7\mathrm{.}2\%$ and its marginal tax rate is $37\%.$

a$.$ What is$$ Alcatel$-$Lucent's WACC?

b$.$ If$$ Alcatel$-$Lucent maintains a constant$$ debt$-$equity ratio, what is the value of a project with average risk and the expected free cash flows as shown$$ here, $($image$)...?$

c$.$ If$$ Alcatel$-$Lucent maintains its$$ debt$-$equity ratio, what is the debt capacity of the project in part $($b$)?$