In a particular week, the average earning per day of a plumber from Monday to Wednesday remained ₹580 and that from Thursday to Saturday it was ₹612. If the average earning for the whole week was ₹675, then how much did he earn on Sunday?

₹850 ₹900 ₹1082 ₹1149

₹1149

The correct answer is Option (4) → ₹1149