A Clothing Maker Requires the Retailers It Deals with to Sell

A clothing maker requires the retailers it deals with to sell all the clothing at a fixed 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) certainly allow the retailer to sell the clothes for less than the stated price,but examine whether or not the retailer could sell at higher than the stated price using a rule of reason analysis
D) allow the arrangement only if neither party possessed monopoly power