Tesla is planning to produce an all$-$electric family car and expects the following cash flows $($in $ million$)$ at the end of each year:

Year Cash flow

$0-50$

$1-110$

$220$

$340$

$480$

$580$

The company requires a return of $8\%$ from this project.

What is the NPV $($in $ million$)?$

What is the project's profitability index?