Multiple Choice
Lizzie takes 20 seconds to stuff an envelope and 10 seconds to seal it. Arnold takes 15 seconds to stuff an envelope and 5 seconds to seal it. Lizzie has a comparative advantage in and Arnold has a comparative advantage in .
A) stuffing envelopes; sealing them
B) neither of these activities; both activities
C) both activities; neither of these activities
D) sealing envelopes; stuffing them
Correct Answer:
Verified
Correct Answer:
Verified
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