4. (20) In constructing a LEED certified office building intended to meet certain environmental standards, you recommend to the owner to xeriscape the property with a rock garden that will reduce water consumption by 100,000 gallons per year. This additional landscaping will cost $10,000. The water utility company currently charges 2 cents (50.02) per gallon of water. a. How many years does it require for your water bill savings to equal the initial landscaping cost if you do not consider the time value of money (0% interest)? b. How many years does it require for your water bill savings to equal the initial landscaping cost if your time value of money equals 6% per year (6% interest)? TABLE C-1 Single Payment Compound Present Amount Worth Factor Factor To Find F To Find P Given P Given F N FP P/F 1 1.0025 09975 10050 0.980 10085 09925 10100 0.9901 5 10126 09876 1 0151 09851 7 10176 09827 8 1 0202 0.9802 9 10227 0.9778 10 10253 09753 11 16278 09729 10304 0.9205 13 10330 09881 14 10356 0.9656 15 102 09632 108 0.9608 17 1034 0.9584 1s 0.9561 19 0.9537 21 10512 09513 10335 89 22 10565 10591 42 1.0618 9118 25 10684 195 1778 1991 910 30 L116 50 11 71 Iloilo 119 . LINE Compound Amount Factor To Find F Given A FA 1.0000 2015 30075 40150 50251 6,0306 7017 8 D04 9.0905 10.1113 111335 12.1864 13 13 14.8 15. 3 16 1713H3 16.36 19.4336 2004-22 21.53344 229972 23.37 Uniform Series Present Sinking Worth Fund Factor Factor To Find P To Find A Given A Given F PA AFI 0.9475 10000 1.9.25 0.4994 2.9651 0.3325 3.9751 0.2491 4.9627 0.1990 5.908 0.165 6.9005 0.1418 7.9107 01239 SANS 01100 9839 OCH 10.83 DANS 11 N3 0.08 22 127753 LOS 13.7410 0.000 14242 010635 159 0513 16.625 0.0577 1725795 0.05 H 18.5332 1515 194545 010788 204334 0046 21.30 3 22241 00423 232 342055 Capital Recovery Factor To Find A Given P / 1.0025 0.3019 0.3390 0.2516 0.2015 0.1681 0.143 0.1264 0.1125 1014 1923 0.00 0.0083 0:00 ON 01635 602 1569 winC=Lupma simm f1 0.0513 499 0268 ELDH8 30 13 25.746 31.1133 21 26 113 1291 12.013 2 S4365 OF *5.16 556524 12 21 053 TE 0152 T1145 TABLE C-9 Single Payment Compound Present Amount Worth Factor Factor To Find F To Find P Glven P Glven F FP P/F 1.0500 094134 2 1.1236 0.8900 1.1910 0.63% 1.2125 07221 1.392 0.7473 1.4185 02050 1.536 0.6651 1.5938 0.6274 9 1.6895 0.9919 10 1.7408 0.5684 11 0.5268 12 2.0122 097 2.129 0.488 14 0423 15 0.4173 16 09036 17 3714 15 28543 0.393 19 5 043118 21 3. 0.2942 36035 TS 3.8197 02618 24 0270 #31 5.7435 1741 OLI 101N BEGEGNE - Compound Amount Factor To Find F Given A FA 1.0000 20600 2.1836 43746 5671 69753 83938 9.8975 11.0913 1318CB 14.9716 16 18.3821 A10151 232 25/0725 28211 Uniform Series Present Sinking Worth Fund Factor Factor To Find P To Find A Gnen A Given F PA AF 09034 1.00 18334 0.4854 26730 0.3141 34651 0.2286 4.2124 0.1774 4.9173 0.1434 5.5604 0.1191 6.2008 0.1010 68017 0.020 732001 0.0099 7.8569 0.0668 0.0593 8807 08530 9.2980 004476 9.7122 000 1010 104773 054 0276 om24 11.1561 0.024 1199 0.0072 1176-41 DO 120-16 DEN 230 213 Capital Recovery Factor To Find A Given P AP 1.0600 0.5454 0.3741 0.2886 0.2374 0.2034 0.1791 0.1610 0.1420 0.1399 0.1258 0.1193 0.1130 0.1076 01010 0.0990 0.0954 012224 DERS 0.0872 . BUCH 0.013 Chlo 456 337640 167535 399 SAUSIS NES 127 OD CHU SCI 52 51 IT 14 IS ISU SED FOOD HD 15 2137 NISU SEN 6 064 031 20 10 14 GO 32 1 021 1 INTRE T. CH it