105 A build-to-operate (BTO) company signed a contract to operate Alamosa County industrial wastewater treatments plants for the next 20 years. The contract will pay the company $2.5 million now and amounts increasing by $200,000 each year through year 20. At an interest rate of 10% per year, what is the present worth now? Solve using (a) tabulated factors, and (b) a spreadsheet