Mr.Sharma and his wife are senior citizens. They switch off all electrical appliances in their house for an hour from 4:30 to 5:30pm.They spend that one hour time in activities along with their neighbours in a park in their locality such as exercising, watering plants etc. They save an average of 1.5 units of electricity per day(electricity bill per unit=Dhs. 3.75) a) Find the amount Mr Sharma saves every month(30 days) b) Give your view on the value of saving electricity.