Antitrust and Trade Regulation laws aim to promote free competition in the marketplace. Agreements or cooperative efforts by two or more entities that affects or restrains competitors is illegal under these laws. The Sherman Act makes illegal any contract, combination, or conspiracy in restraint of trade or commerce and makes monopolies and attempts, combinations, or conspiracies to monopolize illegal. The Clayton Act regulate price discrimination, tying and exclusive dealing contracts, stock acquisition and interlocking directorates.
Tustin is a city in Orange County, California. As of January 1, 2009, the city had an approximate total population of 74,825. The city is located next to the county seat, Santa Ana, and does not include the Tustin Foothills.