8. (10 points) Suppose the table below gives the costs for Greenthumb's avocado farm. Note: we will be using this cost data for several guestions so be careful to nd the correct the vatues. b. What is the total cost of producing 4 units? 0. What is the variable cost of producing 5 units? d. What is the marginal cost of the 6th unit? 9. (16 points) Suppose that Greenthumb operates in a perfectly competitive market (use the cost data from question 8). a. if the market price for avocadoes is $25, what is Greenthumb's profit maximizing output and how much profit do they earn? b. Is this market allocatively efcient? How do you know? c. Can this market be in long-run equilibrium? Briey explain your