project management question

Initial Project Investment Project AS 675 Project B $ 400 Project C$ 890 Project D $ 550 Projected Cash Flow Year Project A Project B Project Project D 1 $ 100 $ 55$ 125$ 55 2 150 $ 250 $ 350 $ 100 3 $ 75$ 700$ 410$ 165 4 $ 325$ 900$ 410$ 240 5 $ 420$ 900 $ 510$ 360 uuuu Refer to the above cash flow chart for four prospective projects. Which of the projects seems the most promising based on payback period of the initial investment? O a. Project D. b. Project O c Project B O d. Project A