A. The advertised price of motor fuels dispensed by a retail dealer shall include all taxes levied and collected on such fuel. Any advertisement of a price shall also clearly state whether the price is a "cash price" or a "credit price".
B. Each machine through which motor fuels are dispensed shall have clearly displayed on it only one sign that refers to taxes, and it shall state "ABOVE PRICE INCLUDES ALL APPLICABLE LOCAL, STATE, AND FEDERAL TAXES."