A man spends 31% and 9% of his monthly income on food and clothing, respectively, and one third of the remaining on the education of children. He saves ₹4,500 per month, which is equal to half the balance after spending on food, clothing and education of children. His monthly salary is:

A

₹21,000

B

₹22,500

C

₹20,650

D

₹26,700