Plot the PPC given by the following data.

Combination Health Care All Other Goods A 0 100 B 25 90 C 50 70 D 75 40 E 100 0

a. Calculate the opportunity cost of each combination compared to the combination before. Compare A to B, B to C, C to D, and D to E.

b. Suppose a second nation has the following PPC.

Plot the PPC. Are you able to define which nation has a comparative advantage in which activity?

Combination Health Care All Other Goods A 0 50 B 20 40 C 40 25 D 60 5 E 65 0