2. Given the following four projects and their cash flows, calculate the discounted payback period with a 5% discount rate, 10% discount rate, and 20% discount rate. what do you notice about the payback period as the discount rate rises? Explain this relationship. Cash Flow Cost Cash flow year S 4,000 S2,000 Cash flow year 2 S 4,000 S 8,000 Cash flow year 3 S 4,000 S 14,000 Cash flow year4 S 4,000 S20,000 Cash flow year 5 S 4,000 S 26,000 Cash flow year 6 S 4,000 S 32,000 S 10,000 S 25,000 S 45,000 S 10,000 S 15,000 S 20,000 S 20,000 S 15,000 S 10,000 S 1,000,000 S 40,000 S 30,000 S 20,000 10,000