Express Copy offers walk-in copying and binding services to small businesses that cannot afford to provide those services in-house. Following is a typical schedule for a 52-copy spiral-bound job: Activity Minutes Processing order 23 Waiting for copying to begin 25 Copying 18 Waiting for binding 35 Binding 15 Packing for customer 4 (a) Calculate the delivery cycle time. (b) Calculate the manufacturing cycle time.