Multiple Choice.

1. The change in total product when a particular resource increases by one unit is called
   1. Marginal product
   2. Total physical product
   3. Average product
   4. None of the above
2. The difference between the most a consumer would pay for a given quantity of a good and what the consumer actually pays is
   1. Producer surplus
   2. Market demand
   3. Consumer surplus
   4. Market equilibrium
3. The image shown below is an example of which of the following?
   1. Perfectly elastic supply curve
   2. Inelastic demand curve
   3. Unit elastic supply curve
   4. Unit elastic demand curve