Perkins Corporation is considering several investment proposals, as shown below: Investment Proposal A B C D Investment required $ 160,000 $ 200,000 $ 120,000 $ 150,000 Present value of future net cash flows $ 192,000 $ 300,000 $ 168,000 $ 360,000 If the project profitability index is used, the ranking of the projects from most to least profitable would be: Multiple Choice D, B, C, A B, D, C, A