An electric geyser rated at 1500 W, 250 V is connected to a 250 V line mains

An electric geyser rated at 1500 W, 250 V is connected to a 250 V line mains. Solve
(i) the electric current drawn by it.
(ii) energy consumed by it in 50 h.
(iii) cost of energy consumed if each unit costs Rs. 6