How would you expect a drought to influence the ppf for onions (on the x-axis) and other goods and services (on the y-axis)? how would you expect the drought to change the opportunity cost of producing onions? a drought that limits onion production would shift the ppf _____ and _____ the opportunity cost of producing onions.
a. inward; decrease
b. inward; increase
c. outward; decrease
d. outward; increase?