LOS 8. Calculating IRR. What is the IRR of the following set of cash flows? Year Cash Flow WN-O -$19,400 9,800 11,300 6,900 LO 4 9. Calculating NPV. For the cash flows in the previous problem, what is the NPV at a discount rate of 0 percent? What if the discount rate is 10 percent? If it is 20 percent? If it is 30 percent