Multiple Choice
If the perfectly competitive market demand for tanning beds shifts from QD,91 = 1,230 - 5P to QD,92 = 740 - 5P and the market supply is given by QS = -100 + 2P,then the change in equilibrium quantity will be:
A) 140 units.
B) 280 units.
C) -98 units.
D) -140 units.
E) -150 units.
Correct Answer:

Verified
Correct Answer:
Verified
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