True or false. No explanation needed

1. The basic purpose of antitrust law is to restrict competition. ________2. Mergers between firms that compete in the same market are vertical mergers. 3. Resale price maintenance agreements are not always illegal, but rather subject to analysis under the rule of reason. ________4. A contract under which a seller forbids a buyer to purchase products from the sellers competitors is a tying arrangement. ________5. A horizontal restraint of trade results from an agreement between firms at different levels in the manufacturing and distribution process. ________6. Manufacturers are not required to register a pesticide with the EPA unless it has been ruled to pose an unreasonable risk. _________7. Any discharge into navigable water from a point source is illegal without a state or EPA permit.