TheTVC curve went through the origin; why isTCnot equal to zero when the company does not produce any output?

Select one:

a.The company will still need staff even if it is producing zero output.

b.The existence of fixed costs means there is some nonzero total costs to bear at any output, evenQ=0.

c.TCexcludesTVC, so even ifTVC=0it is irrelevant to the value ofTC.