A 500-MW power plant costs $3,700/kW to be built and the operating cost is $26.00 per MWh produced, including fuel, personnel, maintenance and other expenses. The plant will operate at an average of 85% capacity. a) What is the total investment to build the power plant? b) What is the annual operating cost? c) What is the required annual revenue to recover the investment in 30 years with no interest? d) What should be charged per kWh to collect the annual revenue?