The average monthly expenditure of a family was ₹10,000 during the first three months. ₹12.500 during the next four months, and ₹13,500 during the last five months of a year. If the total savings during the year were ₹32,500, then the average monthly income (in ₹) of the family was:

A

15,000

B

17,250

C

13,750

D

14,250