A customer, concerned about a possible pull-back in XYZ stock, instructs his broker, to "Sell my XYZ stock if it falls to 40, but I don't want less than 39.75 for my shares." The broker should enter a:
A) sell stop order.
B) sell stop limit order.
C) market order to sell.
D) sell limit order.
Answer: B) sell stop limit order.