United States Canada Lumberjack shirts Lumberjack boots L

                                               United States                                                           Canada

Lumberjack shirts        Lumberjack boots                   Lumberjack shirts       Lumberjack boots

A                  12                                    0                                                   6                                    0

B                    3                                    3                                                   3                                    3

C                     0                                   4                                                   0                                    6

11. Which country has absolute advantage in the production of shirts, in the production of boots? Why?