Complete the table below by computing the missing numbers from those that are given

1.  Complete the table below by computing the missing numbers from those that are given:

If the price of the output is $6, what is the profit maximizing level of output?  How much profit does it make?  Should it produce this level of output or shut down?

If the price of the product is $4.  What is the profit-maximizing level of output?  How much profit does the firm make?  Should it produce this output or shut down?