Suppose$$ Alcatel$-$Lucent has an equity cost of capital of $10\%,$ market capitalization of $ $10\mathrm{.}80$billion$,$ and an enterprise value of $ $14\mathrm{.}4$ billion. Suppose$$ Alcatel$-$Lucent's debt cost of capital is $6\mathrm{.}1\%$ and its marginal tax rate is $35\%$

a$.$ Alcatel$-$Lucent's WACC is $\_\_\_\_\_\_\_\_\_\%($Round to two decimal places.$)$

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 of: Initial investment $(-100)$ Year $1(50)$ Year $2(100)$ and year $3(70).$ The NPV of the project is $$\_\_\_\_\_\_\_\_\_$ million. $($rounded to two decimal places.$)$

c$.$ If Alcatel$-$Lucent maintains its debt$-$equity ratio, what is the debt capacity of the project in part $($b$)?$ The debt capacity of the project is as follows: $($Round to two decimal places$)$ Year $0?$ Year $1?$ Year $2?$ Year $3?$