1. Why must buyers and sellers be price takers for a market to be perfectly competitive?
2. How is a firm's marginal cost curve related to the market supply curve?
3.Based on the following table
output price total cost
0 10 31
1 10 40
2 10 45
3 10 48
4 10 55
5 10 65
6 10 80
7 10 100
8 10 140
9 10 220
10 10 340
a. what is the profit maximizing output?
b. what will happen to the market price in the long run?