Shashi buys an old refrigerator for ₹12,000 and spends ₹1,000 on its repairs. If he sells the refrigerator for ₹15,000, then his gain percentage is:

A

$$13\frac{5}{13}\%$$

B

$$14\frac{5}{13}\%$$

C

$$15\frac{5}{13}\%$$

D

$$16\frac{5}{13}\%$$