Problem (1): An investor purchases property A, which is valued at $52,000; two years later, the investor sells the property for $120,000. Determine the ROI. Problem (2): You purchased a house at the courthouse auction for $75,000 and spent $35,000 in renovations. After sales, expenses, and commission, you netted $160,000 on the sale of the renovated house. What is the ROI? Problem (3): Assume that a company invests $5,000 in a project, which generates the following cash flow in the next 5 years. Determine the payback period Year Cash Flow 1 $2,000 2 $2,000 3 $2,000 4 $1,000 5 $1,000 Problem (4): An opportunity arises for a company that requires an initial investment of $800.000 now. The amount of cash inflows expected from the new opportunity are shown in the following table, Determine the payback period Year-1 cash Inflow: $250,000 Year-2 cash Inflow: $400,000 Year-3 cash Inflow: $300,000 Year-4 cash Inflow: $450,000 . Problem (5): Company C is planning to undertake a project requiring initial investment of $105 million. The project is expected to generate $25 million per year in net cash flows for 7 years. Calculate the payback period of the project