Two mc questions!

Which of the following equations is TRUE at the profit maximizing output level for a firm in a perfectly competitive market? Marginal Cost = Marginal Revenue Price - Marginal Revenue Marginal Cost - Price 2:59 All of the above 50 P 65 P 25 P Question 32 (1 point) Saved 2:01 41 P If a good is non-rival in consumption: :43 8 56 P 12 P the marginal cost of allowing one more unit to be 153 P consumed is zero. 31 P 10 P it is going to be overused. 12 AN 13 AN O it will suffer from the free rider problem. 14 AN 14 AN 15 AN All of the above 32 A