A tax is hereby imposed upon all persons engaged in this village in the business of making sales of service at the rate of 1% of the cost price of all tangible personal property transferred by said person either in the form of tangible personal property or in the form of real estate as an incident to a sale of service, in accordance with the provisions of ILCS Ch. 65, Act 5 § 8-11-5.
('79 Code, § 1002(15))