QUESTION 15 I I I 20 10 30 Quantity Refer to the gure above. If Marginal revenue is $6. which of the following is true for this rm? ' The firm produces fewer than 20 units of the good and makes a negative economic prot (\"economic loes'}. " The rm produces fewer than 20 units of the good and makes a positive economic prot. " The rm produces more than 20 units of the good and makes a positive economic prot. " The rm produces more than 20 units of he good and makes a negative economic prot ("economic loss\")