The table shows the marginal cost C'(x), the marginal revenue R'(x) for producing x items. The third column. P'(x), is partially completed. All values are in dollars per item. " (a) Complete the remaining entries in the third column. (b) What does the table tell you about the revenue function? (c) Find the production leyel that maximizes prot. #' (a) Complete the remaining entries in the third column of the table on the right