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The table below presents the demand schedule and marginal costs facing a monopolist producer a. Fill in the total revenue and marginal revenue columns Instructions Enter your answers as a whole number. If you are entering any negative numbers be sure to include a negative sign in front of those numbers. Leave no cells btnik. Enter O if appropriate. 0 P ($) TA (9) HR ($) NC (5) 20 3 1 18 2 2 16 2 3 14 2. 4 12 5 10 iiiiiiiiii 10000000 NN 6 8 2 7 6 2 8 4 2 9 2 2 10 b. What is the profit-maximizing level of output? units c. What price will the monopolist charge to maximize profits