The average monthly expenditure of a family is ₹ 8160 for the first 2 months, ₹ 12780 for the next 5 months and ₹ 14280 for the last 5 months. If the family saves ₹ 66300 in the whole year, then what will be the average monthly income of the family?
1
₹18000
2
₹18160
3
₹18100
4
₹18260