the next question refers to the followingtotal

Question

The next question refers to the following:
Total cost schedule for a competitive firm:
              Output                              Total Cost
                  0                                       $ 10
                  1                                          60
                  2                                          80
                  3                                          110
                  4                                          165
                  5                                          245

If market price is $60, how many units of output will the firm produce?
a. Zero units of output because the firm shuts down.
b. 1 unit of output.
c. 2 units of output.
d. 3 units of output.
e. None of the above.