If an electricity bill is paid before the due date, one gets a reduction of 2 per cent on the amount of the bill. By paying the bill before the due date, Rajiv got a reduction of Rs. 40 and Ravina got a reduction of Rs. 80. What is the sum of the electricity bills of Rajiv and Ravina?
1
Rs. 4,000
2
Rs. 2,000
3
Rs. 6,000
4
Rs. 8,000