Business consultation, namely assisting retailers in marketing and advertising; providing information, by in-person consultation, distribution of printed materials, and in other matters customary to the trade, concerning food and non-food products and general merchandise of the type commonly sold through supermarkets and convenience stores; assisting operators of independent grocery stores, namely, rendering technical assistance, in the establishment and operation of food establishments, including advertising and promotional services and consultation and advice in merchandising, marketing and operating grocery stores; consulting to supermarket retailers and their non-grocery suppliers to improve their marketing efficiency, sales effectiveness and profitability; business management and consultation services in the fields of grocery and food management; and business consultation in the areas of marketing, merchandising, inventory and distribution