Mr.james replace his regular shower head in his house that uses 20 liters per minute with a new low-flow shower head that only uses half as much water (10 liters per minute). how much water and how much money will Mr.james save each year if the shower is used 15 times each week(52 weeks per year) and each shower lasts 10 minutes and the price of water is 10.20 Baht per cubic meter