content area Part 1 Suppose Paola, of Paola's Piercing and Fingernail Parlour, is considering producing an additional piercing. Her marginal revenue is $10 and her marginal cost is $13. If Paola wants to make a smart decision, she Part 2 A. should not produce another piercing because (marginal costminusmarginal revenue) is negative. B. should produce another piercing because marginal revenue is less than marginal cost. C. should produce another piercing because total profits would go up by $3. D. should not produce another piercing because total profits would go down by $3