Which One of the Following Statements Is Correct If You

Which one of the following statements is correct if you purchase an item with credit terms of 2/5, net 15?

A) If you pay within two days, you will receive a 5 percent discount.
B) If you pay within 2 to 5 days, you will receive a 15 percent discount.
C) If you do not pay within 5 days, you will be charged interest at a 15 percent annual rate.
D) If you pay within 5 days, you will receive a 2 percent discount.
E) You must pay the discounted amount within 15 days.