10) Use the following graph showing the revenue curves for a monopolist to answer the next question. At what Quantity is total revenue maximized? A)Q1 B\"); [303 mm; Use Figure 8.1. which represents the situation faced by a monopolist. to answer the following questions. Figure 8.1 11) The firm depicted in Fi|ure 8.1 is: A) incurring an economic loss but it should continue to operate in the short run so long as price exceeds average variable costs. B} earning a positive economic profit. 0} earning a zero economic profit. D) incurring an economic loss and should shut down. 12) The term \"network externality" refers to a barrier to entry that exists because