URGENT SOLVE IN EXCEL

12. A 5 -year project will result in cashflows of 11,500 for the first 2 years and 12,500 for the next 3 years. What is the payback period if the initial cost is 50,000 ? 13. What is the profitability index for a 4 -year project that will cost 50,000 and will result in cashflows of 10,000 a year for 3 years and 7,250 in year 4 ? Assume a 6% discount rate