The table below shows Total Revenue and Costs for a Perfectly Competitive firm. The firm, as a price taker,sells each unit of the good for the market price of $50. Quantity 0 1 2 3 4 5 Total Revenue SO $50 $200 $250 Total Cost $50 $140 Average Fixed Cost $50 $10 Average Variable Cost $30 Average Total Cost $60 $45 d. What is the firm's profit-per unit at this level of output? $46.67 $50 $56 Marginal Cost $10 $60 a. Complete the table above, calculating the Total Cost (TC), Average Fixed Cost (AFC), Average Variable Cost (AVC), and Marginal Cost (MC) for each output level. b. What is the firm's Marginal Revenue? c. Based on the revenues and costs above, what will be this firm's profit maximizing level of output?