From a reservoir, water flows through a cylindrical pipe of diameter 0.2m at a rate of 0.35m per second.

- Determine the number of liters of water discharged from reservoir in one hour.
- The water flows from the reservoir for 18 hours per day for 25 days per month and serves a population of 2500 families. Determine the average consumption of water per family per month giving your answer to the nearest 100 litres.
- The water is charged at the rate of sh.4.50 per 100 litres. Calculate the average water bill per family per month.