Comprehension Passage
Directions: Answer the questions based on the information given below.
The bar graph given below represents the monthly overview of the total electricity supplied (in KW) and the corresponding electricity consumption of five distinct households, each equipped with some electric appliances. The total electricity consumed by a household is calculated as the sum of electricity consumed by all the appliances within that household.


Note : (1) Total electricity supplied to all five households = 2400 KW
(2) If the total electricity supplied to household 'Q' is decreased by 60% while the percentage consumption remains the same, the difference in electricity consumption of the supplied electricity between household 'Q' and household 'T' would have been 50 kW.
If all the installed electric appliances in household 'R' and household 'S' have operated for an equal number of hours, and the total electricity charges for the given month in household 'S' is 18800 Rs, with the cost of per hour charge for household 'R' being 75% of that for household 'S', then what would be the monthly electricity charges for household R?
1
6275 Rs.
2
6375 Rs.
3
6475 Rs.
4
6575 Rs.
5
6675 Rs.