Economics (M.Phil./Ph.D.) 2022 Panjab University Entrance Exam With Answers

Practice Mode:
3.

The total cost function of a firm is C=1/10q^3 –3q^2 +50q+300 where C=total cost, q = output, Marginal cost at q= 10 is

A: 20
B: 10
C: 30
D: 50

The answer is: A