One of the Elements That Must Be Demonstrated Before a Challenged

One of the elements that must be demonstrated before a challenged tying agreement will be held to violate Section 3 of the Clayton Act is that:

A) the tying product was available for purchase without the agreement.
B) the seller had substantial market power in the market for the tied product.
C) the seller's tying arrangements restrained a "not insubstantial" volume of commerce in the tied product.
D) the challenged agreement involved two integrated components of a larger product.