Which one of the following statements is correct? oral offers can be made for new securities during the waiting period. a green shoe letter must be provided to all investors who purchase shares of a new equity offering. corporate directors have the authority to authorize additional shares of stock for a new issue. the underwriters must approve any increase in the authorized number of shares for a firm.

In the 1970s, kmart used blue light specials to encourage customers to flock to a particular department having a temporary sale. a spinning blue light activated for approximately 30 seconds, and then an in-store announcement informed shoppers of the special savings in the specific department. over time, loyal kmart shoppers learned to flock to the department with the spinning blue light before any announcement of special savings occurred. if kmart was employing classical conditioning techniques, what role did the spinning blue light play?