If we wanted to supply all the electricity needs for New York City (NYC), with a population of about 10 million people and a total land area of 16,800 acres, using photovoltaics technology, How large of an investment would this involve, and how would the price of electricity in per kWeh have to increase in order to recover that investment in 10 years at an interest rate of 8%? For comparison, the average New Yorker paid 12/kW.h in 2002..