The market price of an article is Rs.5000.But due to special offer a certain percent of discount is declared.Mr.X availed this opportunity and bought the aricle at reduced price he then sold it at RS.5000 there by made a profit of 11\frac{1}{9} percent.Then percentage of discount allowed was?

A

10

B

3$$\frac{1}{3}$$

C

7$$\frac{1}{2}$$

D

11$$\frac{1}{9}$$