The bill for a meal at a restaurant is $54. 00 before taxes are added. The sales tax rate is 8% and you want to leave an 18% tip based on the pre-tax amount. What is the final amount you will pay?.

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