On a 100-acre farm, a farmer is able to produce 3,000 bushels of wheat when he hires 2 workers. He is able to produce 4,400 bushels of wheat when he hires 3 workers. Which of the following possibilities is consistent with the property of diminishing marginal product?
a. The farmer is able to produce 5,600 bushels of wheat when he hires 4 workers.
b. The farmer is able to produce 5,400 bushels of wheat when he hires 4 workers.
c. The farmer is able to produce 5,200 bushels of wheat when he hires 4 workers.
d. Any of the above could be correct