Multiple Choice
In Problem 4, suppose that each firm has the cost function c(y) = y2 + 9 for y > 0 and c(0) = 0. With industry demand given by D(p) = 51 - p, the equilibrium price and equilibrium number of firms in the industry (in that order) will be
A) $8 and 11.
B) $3 and 18.
C) $3 and 48.
D) $6 and 15.
E) $6 and 45.
Correct Answer:

Verified
Correct Answer:
Verified
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