Calculate the payback period of a project with these cash flows: Period 0: -1000 Period 1: 762 Period 2: 420 Period 3: 250 Enter your answer in years and round to the nearest one-hundredth of a year. Calculate the discounted payback period of a project with a discount rate of 7% and these cash flows: Period O: -1000 Period 1: 635 Period 2: 197 Period 3: 1,342 Enter your answer in years and round to the nearest one-hundredth of a year. Compute the internal rate of return for the following cash flows: Period O: -1900 Period 1: 1100 Period 2: 800 Period 3: 500 Enter your answer in percent and round to the nearest one-hundredth of a percent. Do not include the percent sign (%). Compute the modified internal rate of return for the following cash flows using a discount rate of 5%: Period 0: -833 Period 1: 820 Period 2: 1,072 Period 3: -50 Enter your answer in percent and round to the nearest one-hundredth of a percent. Do not include the percent sign (%)