A man wants to purchase wheat. Due to a reduction of $$6\frac{1}{4}\%$$ in the price of wheat, he is able to buy $$\frac{1}{2}$$ kg more for ₹150. Find the difference between the original and the reduced rates of wheat.

A

₹3/kg

B

₹1.75/kg

C

₹2.25/kg

D

₹1.25/kg