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Table 2

Cost analysis of RWH system

Cost of RWH system (12 m3)Monthly rainwater usedCost of used bottled water (20 L bottle)Monthly saving
4,000 $ 11 m3 0.45 $/bottle 500 $ 
Cost of RWH system (12 m3)Monthly rainwater usedCost of used bottled water (20 L bottle)Monthly saving
4,000 $ 11 m3 0.45 $/bottle 500 $ 
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