If corn production is land intensive and car production is labor intensive, though both goods require some land and labor, the two-good production possibilities frontier will change in which of the following ways given an increase in available land?
a. The curve will shift outward evenly.
b. The curve will shift outward but biased toward corn.
c. The curve will shift outward but biased toward cars.
d. The curve will shift inward with a bias toward corn.