Aprocess layout problem consists of 4 departments, each of which can be assigned to one of four rooms. the number of different solutions to this problem is although all of them may not have different material handling costs. a. 1 b. 4 c. 16 d. 24 e. unknown

Which of the following represents an unlimited queue? a. toll booth serving automobiles on the interstateb. drive through lane at a fast food restaurantc. faculty office with limited seating during office hoursd. restaurant with no outside seating and limited capacity due to fire departments restrictionse. small barbershop with only 5 chairs for waiting customers