Reading 16 - Q5 - P 193 - end chapter question

This is a new post which is a complement to the most recent post

Hi guys,

Could not get question 5 p193. Answer states that P = MC = AC.

I tried to get to the answer from going staight from Price to Marginal Cost by doing the following:

93 - 1.5Q = 2 + 8Q by doing so I get an equilibrium quantity different from 8. Can somebody explain me why? Since P = MC = AC, I don’t get why the above equation is not valid. Has this something to do with the difference between minimum price and profit maximization?!

Thanks for the feed!

http://www.analystforum.com/forums/cfa-forums/cfa-level-i-forum/91319874

Question 2.

thanks sorry for the spamming. Lets follow-up on other thread!