Fastener Products,Inc

Multiple Choice

Fastener Products,Inc. ,a maker of nuts and bolts,sells its products to retail establishments.It charges one price to small family-owned hardware stores and a lower price to national chains.Under the Clayton Act,these price differences are

A) illegal.
B) not illegal if they are based on production or transportation costs.
C) not illegal if they are intended to eliminate competition.
D) not illegal if they are intended to prevent entry into a given market.