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The following graph shows the total cost curve for a firm that produces toy rockets. Total Cost 4 5 quantity What is the firm's marginal cost of producing the fifth rocket? What is the firm's marginal cost of producing the fifth racket? The following graph shows the total cost curve for a firm that produces toy rockets. Total Cost 4 5 quantity What is the firm's total variable cost of producing four rockets? What is the firm's tatal variable cast of producing four rackets? Question 13 (1 point] Suppose a t-shirt manufacturer earned revenues of four million dollars from producing and selling t-shirts last year. If the manufacturer's total costs of producing those t-shirts is one million dollars, how much profit did the manufacturer make? 0 $3 million 0 $1 million 0 $4 million 0 $2 million Suppose that the market price of watching a music concert is one hundred dollars. For a particular concert production company, the following table shows the marginal cost of providing a concert experience to a person, for a range of quantities Q of concert tickets sold. To maximize its profits, what it this company's best choice of quantity Q? P C1 \"AC 100 103 100 102 100 101 100 100 100 99 100 98 \\JONU'l-IL'IUJN 5 4 2The following figure describes a competitive marketplace with a _______ externalitv and a government subsidy program that causes market outcome ______ . Q\" Q" quantity positive, B positive, C O negative, A O negative, B