Look at this untitled work by rogier van der weyden. the composition of this painting is intended to:

The region of the united states where beef and hog production is prevalent is the midwestthere are 12 states in this area including  illinois,  indiana,  iowa,  kansas,  michigan,  minnesota,  missouri,nebraska,  north dakota,  ohio,  south dakota, and  wisconsin. all of these states are known for their meat and such products. 

The answer is: d the dollar amount they wish to sell work for