Hi there, I have this table and I have really been struggling to figure the formula for TC . I thought TC=FC+VC. Since I don't have that information on this table, I'm not sure what to do.

For a competitive firm I believe these are the correct formulas... unless I'm wrong

MR= The change in TR/the change in Q

TR=P x Q

MC=The change in TC/ The change in Q

Profit =TR-TC

ATC= TC/Q

Any advise would be greatly appreciated! Thank you! :)