(1) To contract with any agency, organization or group of firms to promote conventions and tourism within the city and its environs;

(2) To provide for the operation, maintenance, expansion or development of city facilities connected with conventions and tourism;

(3) To defray the cost of providing municipal services to convention and tourism functions, including police, fire, street department or park and recreation department functions;

(4) To create innovative projects and activities promoting conventions and tourism;

(5) To promote the general economic welfare of the city and its environs, including the attraction of industry. (C.O. 69 § 11, 9-23-86.)