What is the answer to this ?

Assume Oklahoma and South Dakota each have 100 acres of farmland. The following table gives hypothetical figures for yield per acre in the two states: Suppose the two states decide that they want to produce 150 total units of corn. What is the maximum amount of wheat that they could produce? South Dakota Oklahoma Wheat 5 2 Corn 6 3 575 units of wheat 500 units of wheat O 902 units of wheat O 300 units of wheat O None of these