Answer:
Reference pricing
Step-by-step explanation:
Reference pricing is a pricing system in which a purchaser buys an item at a price lower compared to the price of other competitor' product.
In this practice , the buyer uses the advantage of a large volume transaction to negotiate a high discount from the manufacturer . Moreover , the buyer needs to have an access to prices and other related information in the economy market to do this.
At the end , he buys the collective products at a cheaper rate compared to standard unit price of the same products