On august 1, a $30,000, 6%, 3-year installment note payable is issued by a company. the note requires equal payments of principal plus accrued interest be paid each year on july 31. the present value of an annuity factor for 3 years at 6% is 2.6730. the present value of a single sum factor for 3 years at 6% is 0.8396. the payment each july 31 will be:

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?