A company with $690,000 in operating assets is considering the purchase of a machine that costs $78,000 and which is expected to reduce operating costs by $20,000 each year. These reductions in cost occur evenly throughout the year. The payback period for this machine in years is closest to (Ignore income taxes.): (Round your answer to 1 decimal place.)

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?