The marked price of an article is ₹400. After allowing a discount of 20% on the marked price, a shopkeeper makes a loss of ₹48. His loss percentage is:

A

$$14\frac{1}{23}$$%

B

$$13\frac{1}{23}$$%

C

$$15\frac{1}{23}$$%

D

$$17\frac{1}{23}$$%