Where the Code requires an average quantity of a substance to be declared in labelling (as a percentage or per serving or other amount), the manufacturer or producer calculates it by whichever permitted method best represents the average, allowing for lot-to-lot factors such as seasonal variability: analysis of the food, calculation from the actual or average amounts in the ingredients, or calculation from generally accepted data for that food.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.