7. Churchill Inc. is considering an investment that has the following cash flows: Now Year 1 Year 2 Year 3 Year 4 Year 5 investment cash inflow cash inflow cash inflow cash inflow cash inflow ($1,000,000) 500,000 300,000 200.000 200,000 100,000 Required (a) Calculate the following: (i) The payback period (ii) The return on the initial investment (iii) The return on the average investment (iv) The present value using an interest rate of 10% (b) Is the investment worthwhile? dering an inyestment that has the following cash