3 Suppose That A Representative Firm In A Perfectly Competitive Market Has The Following Total Cost

C (Q ) = Q3- 20Q2+ 150Q.
( a) Perfectly competitive firm produce where AC is minimum
in the long run .
AC = ( (Q) = Q2 – 20Q+ 150
d( AC ) = 24 – 20
20- 20 = 0
Q 2 10 ) Each firm produce 10 units…Microeconomics