Multiple Choice
Joe and Ed go to a diner that sells hamburgers for $5 and hot dogs for $3. They agree to split the lunch bill evenly. Ed chooses a hot dog. The marginal cost to Joe then of ordering a hamburger instead of a hot dog is
A) $1.
B) $2.
C) $2.50.
D) $3.
Correct Answer:

Verified
Correct Answer:
Verified
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