Looking at the table below fill in the gaps and answer the questions below it

Quantity Price Total revenue Marginal revenue Total cost Marginal cost

0 $20 $15

1 18 21

2 16 27

3 14 33

4 12 39

5 10 45

1. What is the profit-maximizing output of the monopolist ?

2. What price would the monopolist charge at the profit-maximizing output ?

3. What is marginal revenue at the profit-maximizing output ?

4. What is the marginal cost of the profit-maximizing output?

5. What is the monopolist's level of profit at this output ?

6. What is the monopolist's fixed cost?