A household operates the following electrical devices every day of a 30-day month:
(a) (i) A water heater rated at 1500W for 30min each day.
(b) (ii) One ceiling fan rated at 75W for 10h each day.
(c) (iii) Three LED lamps each rated at 9W for 6h each day.
(d) Calculate the total electrical energy consumed in the month in (a) kWh and (b) joule.
(e) If the electricity tariff is ₹6.00 per unit, determine the amount to be paid for the month.