The management of Winstead Corporation is considering the following three investment projects (Ignore income taxes.): Project Q $ 32,000 $ 34,120 Project R $ 68,500 $ 78,500 Project S $ 116,500 $ 128,465 Investment required Present value of cash inflows The only cash outflows are the initial investments in the projects. Required: Rank the investment projects using the project profitability index. Rank 1 Rank 2 Rank 3