1. Senior citizens can buy movie tickets at a lower price than the general public. This is an example of

age discrimination.

demand discrimination.

price discrimination.

price differentiation.

2. For price discrimination to exist, all of the following are necessary EXCEPT

a downward sloping demand curve.

an identifiable group of buyers with different elasticities of demand.

an upward sloping marginal cost curve.

there can be no resale of the product.

3. Suppose a competitive firm can sell its output for $11 per unit. The following table gives the firm's short run production function.

Labor	Output
0	0
1	9
2	20
3	30
4	36
5	40
6	42

In the table below, you will determine several points on the firm's demand curve for labor., you must determine how many workers the firm should hire for different values of the wage rate in order to maximize profit. Complete the table below:

Wage Rate per Worker	Quantity Demanded of Workers
$25
$30
$50
$60