Even taking as a given that for any crop Monsanto has the best variety, you still have the issue of what exactly to plant, in what proportions, for your likely

Even taking as a given that for any crop Monsanto has the best variety, you still have the issue of what exactly to plant, in what proportions, for your likely climate & soil conditions, equipment/water/fertilizer/labor & other input costs, and market prices. That analysis is exactly what Monsanto will provide you with now.