a remotely located air sampling station can be powered by solar cells or by running an electric line to the site and using conventional power. solar cells will cost $9,500 to install and will have a useful life of 4 years with no salvage value. annual costs for inspection, cleaning, etc. are expected to be $1,850. a new power line will cost $16,500 to install, with power costs expected to be $750 per year. since the air sampling project will end in 4 years, the salvage value of the line is considered to be zero. at an interest rate of 13% per year, which alternative should be selected on the basis of a future worth analysis? the future worth of solar cells is $ and that of electric line is $ . (click to select) should be selected on the basis of a future worth analysis.