The following terms, as used in this chapter are defined as follows:
(1) "Commodity" means any subject of commerce;
(2) "Producer" means any grower, baker, maker, manufacturer, bottler, packer, converter, processor or publisher;
(3) "Wholesaler" means any person selling a commodity other than a producer or retailer; and
(4) "Retailer" means any person selling a commodity to consumers for use.