The document contains power infrastructure organization's monthly billing and petty cash data from August 2013 to December 2013. It includes the total bill amount, average bill, percentage of sites affected by low power supply (LPS), total number of affected sites, and petty cash amount for each month. The average bill ranged from BDT 13,064 to BDT 14,439. The percentage of sites affected by LPS was lowest in October at 0.009% and highest in August at 0.063%. The total bill amount increased each month from BDT 36 million in August to BDT 39 million in November, before decreasing to BDT 34 million in December. The petty cash amount generally increased each month from BDT 72,279 in August