Arnold has a comparative advantage in ________.
A. sealing envelopes; stuffing them
B. stuffing envelopes; sealing them
C. neither of these activities; both activities
D. both activities; neither of these activities
Answer:B
Arnold has a comparative advantage in ________.
A. sealing envelopes; stuffing them B. stuffing envelopes; sealing them C. neither of these activities; both activities D. both activities; neither of these activities