Use the Dynamic Exhibit to answer the following questions. Round your answers to two decimal places, if necessary.

1. When the number of units produced is 50,000, the total fixed cost is $ and the cost per unit is $.

2. When the number of units produced is 100,000, the total fixed cost is $ and the cost per unit is $.

3. When the number of units produced is 150,000, the total fixed cost is $ and the cost per unit is $.

4. When the number of units produced is 300,000, the total fixed cost is $ and the cost per unit is $