find profit-maximizing profits from the graph, economics homework help

If the price is $6 then profit-maximizing profits for this firm are:

A. need more information
B. $60
C. $300
D. $360

I believe I need more information in order to find profit-maximizing profits from the graph.

I know that Profit Maximization is Marginal Cost = Marginal Revenue, but I feel like that would be too easy of an answer.

Part of me wants to just assume that $6 (price) times 60 (quantity) = $360 would be the correct answer, but please correct me if I am on the wrong track.

Thank you!

 
Do you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount!
Use Discount Code "Newclient" for a 15% Discount!

NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.