A retrofitted space-heating system is being considered for a small office building. The system can be purchased and installed for $113,000, and it will save an estimated 310,000 kilowatt-hours (kWh) of electric power each year over a seven-year period. A kilowatt-hour of electricity costs $0.13, and the company uses a MARR of 17% per year in its economic evaluations of refurbished systems. The market value of the system will be $9.000 at the end of seven years, and additional annual operating and maintenance expenses are negligible. Use the benefit-cost method to make a recommendation Click the icon to view the interest and annuity table for discrete compounding when the MARR is 17% per year The benefit-cost ratio of the system with PWis L. (Round to two decimal places.) More Info Discrete Compounding: 17% Single Payment Uniform Series Compound Amount Factor To Find F Given P FIP 1.1700 1.3689 1.6016 1.8739 2.1924 2.5652 3.0012 3.5115 4.1084 4.8068 Compound Amount Factor To Find F Given A FIA 1.0000 2.1700 3.5389 5.1405 7.0144 9.2068 11.7720 14.7733 18.2847 22.3931 Capital Recovery Factor To Find A Given P AIP Sinking Present Worth Factor To Find P Given F PIF 0.8547 0.7305 0.6244 0.5337 0.4561 0.3898 0.3332 0.2848 0.2434 0.2080 Present Worth Factor To Find P Given A PIA 0.8547 1.5852 2.2096 2.7432 3.1993 3.5892 3.9224 4.2072 4.4506 4.6586 Factor To Find A Given F AIF 1.0000 0.4608 0.2826 0.1945 0.1426 0.1086 0.0849 0.0677 0.0547 0.0447 1.1700 0.6308 0.4526 0.3645 0.3126 0.2786 0.2549 0.2377 0.2247 0.2147 4 10