Question 9 Below is a production possibilities curve for a large tract of prairie farm land. Not yet answered Points out of 2.00 Quantity of rye P Flag question 200 100 200 300 400 500 600 Quantity of wheat Refer to the graph above to answer this question. If 150 units of rye are currently being produced, what is the cost of producing 50 more units of rye? Select one: O a. 25 units of wheat. O b. 50 units of wheat. O c. 100 units of wheat. O d. 400 units of wheat. O e. Cannot be determined