Which of the following is not one of the typical sources of competitive pressures, according to Michael Porters five factor model? A. The threat of new entrants into the market
B. The attempts of companies in other industries to win customers over to their own substitute products
C. The power and influence of industry's key success factors
D. The market maneuvering and jockeying for buyer patronage that goes on among rival firms
E. The bargaining power of suppliers and seller-supplier collaboration

Ms. sophia jones, the company president, has heard that there are multiple breakeven points for every product. she does not believe this and has asked you to provide the evidence of such a possibility. some information about the company for 2017 is as follows:

5. profit maximization and shutting down in the short run suppose that the market for polos is a competitive market. the following graph shows the daily cost curves of a firm operating in this market. 0 2 4 6 8 10 12 14 16 18 20 50 45 40 35 30 25 20 15 10 5 0 price (dollars per polo) quantity (thousands of polos) mc atc avc for each price in the following table, calculate the firm's optimal quantity of units to produce, and determine the profit or loss if it produces at that quantity, using the data from the previous graph to identify its total variable cost. assume that if the firm is indifferent between producing and shutting down, it will produce. (hint: you can select the purple points [diamond symbols] on the previous graph to see precise information on average variable cost.) price quantity total revenue fixed cost variable cost profit (dollars per polo) (polos) (dollars) (dollars) (dollars) (dollars) 12.50 135,000 27.50 135,000 45.00 135,000 if the firm shuts down, it must incur its fixed costs (fc) in the short run. in this case, the firm's fixed cost is $135,000 per day. in other words, if it shuts down, the firm would suffer losses of $135,000 per day until its fixed costs end (such as the expiration of a building lease). this firm's shutdown price—that is, the price below which it is optimal for the firm to shut down—is per polo.

David burdick is the ceo of acme bubblegum, a successful public company. as one of the cofounders of the company, burdick has enjoyed speaking and writing about the success of acme bubblegum for several years. typically, he speaks at conferences or directly to the press, but recently, he has been blogging about his firm anonymously. specifically, he defended a recent advertising campaign that was unpopular among consumers and pointedly attacked one of acme bubblegum’s competitors. burdick deeply enjoys his anonymous blogging and believes that none of his readers actually know that he works for acme bubblegum. should burdick be allowed to praise his company’s performance anonymously online? should he be allowed to attack his competitors without disclosing his relationship with the company? how would you feel if the ceo of a company at which you shopped was secretly writing criticisms of his or her competition? how would you feel if you knew a writer for your favorite blog was actually closely involved in a company that the blog discussed? 1. define the ethical issue? 2. who are the primary stakeholders? 3. what are the possible alternatives? 4. how could you evaluate the ethical implications of the alternative actions (use appropriate decision rules)? 5. what action would you recommend and why?