【正文】
mme rci a l F i l t ra t i o n Ba seEn v i rW a l t e rF i l t roBri t eC l a ri o n60801001201401601802002205 . 6 6 . 0 6 . 4 6 . 8 7 . 2 7 . 6Pe rf o rm a n c e Pri c e ($ )H i g hC o s tValue Scorecard Di ff e r e n tial worth o f p e r fo r m a n ce a d van ta g e s a n d d isad van ta g e sDi m e n sion At tri b u teFiltroWalterEnvirBriteClarionAverageBenefit s Prod u ct Chlorofo r m Remova l 22 22 3 4 22 3 4 0L e a d Remova l 2 2 2 9 2 0Taste 2 13 2 8 8 0Cl o g g ing 23 6 4 53 3 5 23 0Se r vic e Reli a b le su p p ly 1 9 1 9 0 19 19 0Tech n ical sup p o r t 7 1 5 2 1 5 34 0Relatio n ship Relatio n ship 0 16 1 6 1 6 16 0( a ) Tot a l diff e r e n tial worth o f b e n e fits 25 4 4 9 4 3 53 0Co s t s Se ll ing p r ice Cap ital co st 13 1 0 0 7 5 0Oth e r co sts Di spo sibles co st 1 0 5 0 56 25 2 0 0( b ) Tot a l cost a d van ta g e 3 6 0 56 18 1 5 0( c) Tot a