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When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars

If a hotel has 100 rooms, and each room takes 25 minutes to clean, how many housekeepers working 8-hour shifts does the hotel need at 50 percent occupancy?

Robert is a district manager who oversees several store managers in a national chain of restaurants. robert reports directly to the vice president of stores and marketing, a member of top management. robert is a middle manager.t/f