Sonu kumar spent 42% of his monthly income on food, 16% on rent, 10% on entertainment and 7% on travelling. But suddenly for family function, he needed Rs. 18000 and for this he took a loan of Rs. 12500. Find out his monthly income.

A

₹22,000

B

₹24,000

C

₹20,000

D

₹25,000