a. The PW of system 1 is $ - 9,837". (Round to the nearest dollar.) The PW of system 2 is $ - 15,798. (Round to the nearest dollar.) Which system should be selected? Choose the correct answer below. System 2 System 1 lors b. The PW of system 1 is $ - 40,638. (Round to the nearest dollar.) The PW of system 2 is $ - 60,118. (Round to the nearest dollar.) Which system should be selected? Choose the correct answer below. System 2 System 1 Potable water is in short supply in many countries. To address this need, two mutually exclusive water purification systems are being considered for implementation in China. Doing nothing is not an option. Assume the repeatability of cash flows for alternative 1. a. Use the PW method to determine which system should be selected when MARR = 9% per year. b. Which system should be selected when MARR - 12% per year? N 1 2 3 4 5 6 7 8 9 Compound Amount Present Factor Worth Factor To Find F To Find P Given P Given F F/P P/F 1.0900 0.9174 1.1881 0.8417 1.2950 0.7722 1.4116 0.7084 1.5386 0.6499 1.6771 0.5963 1.8280 0.5470 1.9926 0.5019 2.1719 0.4604 Compound Amount Factor To Find F Given A FIA 1.0000 2.0900 3.2781 4.5731 5.9847 7.5233 9.2004 11.0285 13.0210 UITOTTITUCITOS Sinking Present Fund Worth Factor Factor To Find P To Find A Given A Given F P/A A/F 0.9174 1.0000 1.7591 0.4785 2.5313 0.3051 3.2397 0.2187 3.8897 0.1671 4.4859 0.1329 5.0330 0.1087 5.5348 0.0907 5.9952 0.0768 Capital Recovery Factor To Find A Given P A/P 1.0900 0.5685 0.3951 0.3087 0.2571 0.2229 0.1987 0.1807 0.1668 Given I N 1 Discrete Compounding; i = 12% Single Payment Uniform Series Compound Compound Sinking Amount Present Amount Present Fund Factor Worth Factor Factor Worth Factor Factor To Find F To Find P To Find F To Find P To Find A Given P Given F Given A Given F F/P P/F FIA PIA A/F 1.1200 1.1200 1.0000 0.8929 1.0000 1.2544 0.7972 2.1200 1.6901 0.4717 1.4049 0.7118 3.3744 2.4018 0.2963 1.5735 0.6355 4.7793 3.0373 0.2092 1.7623 0.5674 6.3528 3.6048 0.1574 1.9738 0.5066 8.1152 4.1114 0.1232 2.2107 0.4523 10.0890 4.5638 0.0991 Capital Recovery Factor To Find A Given P A/P 1.1200 0.5917 0.4163 0.3292 0.2774 0.2432 0.2191 WN 4 5 7 Capital investment Annual revenues Annual expenses MV at end of useful life Useful life IRR System 1 $100,000 50,000 25,000 20,000 5 years 12.5% System 2 $150,000 70,000 45,000 0 10 years 10.6%