A form that purchases electricity from local utility is considering installing a steam generator. A large generator cost $$270,000$ with a small generator cost hundred and $$80,000.$ The cost of operating the generator would be $$250,000$ per year for large and $$275000$ for the small. Either the generator would last for five years. The cost of capitalist $12\%.$ For each generator option, assume immediate installation, with purchase and operating cost in the current year and operating cost continuing for next four years speed as zoom payment under both options at the start of each year i$.$e$.,$ immediate, one year from now, two years from now, three years from now, four years from now. What is the net present value of more attractive generator