2- A chemical processing corporation is considering three methods to dispose of a non-hazardous chemical sludge: land application, fluidized-bed incineration, and private disposal contract. The estimates for each method are shown. Determine which has the least cost on the basis of a present worth comparison at 10% per year. Use LCM Land Application Incineration Contract First cost, $ Annual operating cost, $ per year Salvage value, $ -130,000 -95,000 -900,000 0 -60,000 -120,000 25,000 300,000 0 Life, years 3 6 2