The annual fee for a license for each business location of the several classifications herein named is as follows:
(1) For set-in stations, buyers from producers only, and producers who pack and sell eggs produced only by their own flock, known as "Class A," ten dollars per year;
(2) For wholesale dealers and dealers buying eggs from Class A licensees, known as "Class B," one hundred dollars per year.
Any natural person who candles or grades eggs shall be licensed. The license fee is ten dollars per year.