2) The table shows the quantity demanded for YZ headphones at different prices. Suppose the firms total cost function is C(Q)=48000+100Q+30Q2. Fill-in the table and answer the following questions: P= Price; Q= Quantity TR= Total revenue; MR= Marginal Revenue TC= Total Cost; ATC= Average Total Cost; MC= Marginal Cost a. What is the firm's fixed cost? b. What is the firms variable cost function and the AVC function? c. Using the MR and MC method, what is the profit-max quantity and price