Wexim Toys sold merchandise to a customer on credit, terms 2/10, n/30 for $11,100. Three days later, the customer returned $2,000 of the merchandise. When recording the return transaction, Wexim Toys would record:

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