The main reason suppliers can offer quantity discounts is that?

a. shipping and handing coests per uint are reduced when customers by and large
b. large orders are using paying for more promptiy not b
c. large wholesale shipment always lead to increased retail sales
d. manufacturing coest are reduce

Large wholesale shipment always lead to increased retail sales ( C )

Explanation:

suppliers offer quantity discounts when buyers/consumers buy at a very large quantity because as the customers buys at a very large size it comes alot of retail sales and time of retail sales that the supplier would have made, so to encourage the buyer/consumer the supplier offers so from of quantity discounts to the Buyer.

when you buy a large quantity of products you as a buyer will get it a wholesale prices which will in turn increase your profits and also if you are granted quantity discount by the supplier the additional products can as well be sold by you therefore increasing your retail sales.

answer; i believe its (d) intrinsic;