A Clothing Maker Requires the Retailers It Transacts Business with to Sell

A clothing maker requires the retailers it transacts business with to sell all of its clothing at a fixed minimum price.In examining a retailer's challenge to this practice,a court would:

A) examine this arrangement on a "rule of reason" basis.
B) invalidate the arrangement in its entirety.
C) apply the per se rule, and find a violation of the Sherman Act.
D) allow the arrangement, but only if neither party has monopoly power.
E) apply the per se rule, and refuse to find a violation of the Sherman Act.