8. Consider a five-workstation, worker-paced line, with five manual tasks to be performed before the product is completed, as diagrammed below:

Management is contemplating adding a seventh experienced senior worker, as a floater, to this line. This worker is fully trained to do any of the five tasks, and would move around freely, doing whatever was best to maximize the output of the process. What would then be the lines MAXIMUM capacity/throughput rate/flow rate, in units per eight-hour day?

a. 60

b. 54

c. 72

d. 64

e. 40