Two 100-hp motors are being considered for use: abc brand xyz brand purchase price $ 1900 6200 life in years 10 10 salvage value $ none none annual maintenance $ 170 310 efficiency % 80 90 if power costs $0.10 per kwh, and if the interest rate is 12%, how many hours of operation per year is required to justify the purchase of xyz brand motor?

Which of the following is not one of the four principles of bottleneck management? a. increasing capacity at non-bottleneck stations is a mirageb. lost time at the bottleneck is lost system capacity. c. release work orders to the system at the bottleneck's capacity pace. d. increased bottleneck capacity is increased system capacity. e. bottlenecks should be moved to the end of the system process.