Multiple Choice
The Jeans Store sells 7 pairs of jeans per day when it charges $100 per pair.It sells 8 pairs of jeans per day at a price of $90 per pair.What is the marginal revenue of the eighth pair of jeans?
A) $20.
B) $90.
C) $100.
D) $700.
Correct Answer:

Verified
Correct Answer:
Verified
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