Problem

Intro

IBM is planning to produce an expert system based on artificial intelligence and expects the following cash flows $($in $ million$)$ at the end of each year:

$\backslash$table$[[$Year$,$Cash flow$],[0,-30],[1,10],[2,15],[3,20],[4,30]]$

The company requires a return of $13\%$ from this project.

Part $1$

Attempt $5/6$ for $8$ pts$.$

What is the project's profitability index?