Which Statement Below Best Explains the Credit Terms of 2/15,n/30

Which statement below best explains the credit terms of 2/15,n/30?

A) The buyer will receive a 15 percent discount if it pays within two days of the purchase.
B) The buyer will receive a 15 percent discount if it pays within thirty days.
C) The buyer will receive a 2 percent discount if it pays within fifteen days.
D) The buyer will receive a 2 percent discount if it pays within thirty days.