A Credit Policy of "2/10,net 30" Means

A credit policy of "2/10,net 30" means

A) that if a customer pays its bill within 10 days,it will receive a 30 percent discount.
B) that if a customer pays its bill within 30 days,it will receive a 10 percent discount.
C) that if a customer pays its bill within 2 days,it will receive a 10 percent discount.
D) that if a customer pays its bill within 10 days,it will receive a 2 percent discount.
E) None of these are correct.