A marginal cost is the cost of making one more unit of a product

For what NFL owners was the cross-ownership ban in the NFL eased?

A. Eddie DeBartolo and John and Denise (DeBartolo) York of the San Francisco 49ers B. Wayne Huizenga of the Miami Dolphins and Paul Allen of the Seattle Seahawks C. Jerry Jones of the Dallas Cowboys and Lamar Hunt of the Kansas City Chiefs D. Bob McNair of the Houston Texans and Daniel Snyder of the Washington Redskins

There must be at least three parties in order for a contract to be valid

Indicate whether the statement is true or false