DIRECTION for the question: Solve the following question and mark the best possible option.
The owner of a boutique decides to calculate the percentage of customers who purchase hats. If 40 percent of the store's customers decide to purchase items, and of those customers 15 percent purchase hats, what percent of the store's customers purchase hats ?

A

15%

B

6%

C

4%

D

24%

E

40%