Problem 10-8 Calculate the NPV at 9% and the IRR for the following projects. Round the answers to two decimal places. Use a minus sign to indicate a negative NPV. a. An initial outlay of $69,724 and an inflow of $15,000 followed by four consecutive inflows of $17,000. Do not round intermediate calculations. Round PVF and PVFA values in intermediate calculations to four decimal places. NPV IRR. b. An initial outlay of $25,424 followed by two zero cash years and then four years of inflows at $10,500. Do not round intermediate calculations. Round PVF and PVFA values in intermediate calculations to four decimal places $ NPV % IRR c. An outlay of $10,672 followed by another outlay of $5,000 followed by five inflows of $5,000. Do not round intermediate calculations. Round PVF and PVFA values in intermediate calculations to four decimal places. $ NPV % IRR