19. Find the IRR of the following investment in a 15-MWp PV system which solar radiation data are available): planned for Tampa, Florida (you may choose another location for Total initial cost of the system: $1.7 M/MWp Annual O&M costs: 2% of the initial costs Equity investment: 30% of the initial costs Debt financed by a bank: 70% of the initial costs at 10%/year Annual reduction in performance: 0.2%/year Electricity tariff for the plant: $0.30/kWh for the first 20 years Salvage value after 20 years: 20% of the initial costs 20. The investor in Problem 19 is able to get a preferential debt rate from a government-backed bank at a rate of 4%/year. What is the new IRR