. >> tshsarwen, the book keeper m her report. >> the current balance is 961,000 rupee. >> around 30 nearby households use methane gas from the plant. each pays about 20,000 rupeas a month. that covers electricity and maintenance. whatever's left over is kept in reserve. however there wasn't enough cash on hand to buy a new pump. >> couldn't we ask each household to donate, say, about 20,000 rupeas? because if everyone pitched in, we would surely be able to afford a new pump. a brand new one. >> would that be enough? 20,000 rupeas for a pump? >> that's right. >> that's one time only, right? >> once we buy it, and the treatment plant starts working again, just make sure you pay your gas bill every month. >> the villagers decided that 20,000 rupea payment would be voluntary. no one would be forced to contribute. the following day, he reinstalled the repair puir pum inside the reservoir. another tofu maker lent a hand. the pump was once again sucking up wastewater. 10 minutes later, the processed water started to flow out of the tank. >> if it weren't for riyadi, the treatment plant would have