Three plots of farmland are for sale. each plot is a different size

It is B

Here's how you answer it:

Step 1

Let 'AC', 'AR', and 'AS' represent the decision variables of number of acres of corn, rice and soy respectively in farm A. Similarly, let 'BC', 'BR', 'BS', and 'CC', 'CR', and 'CS' represent the decision variables for farm B and farm C respectively.