Assume the following information: Actual run time this week 4,500 minutes Machine time available this week 5,000 minutes Actual run rate this week 3.6 units per minute Ideal run rate 4.0 units per minute Defect-free output this week 14,200 units Total output this week (including defects) 16,200 units The quality rate is closest to:

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