New Process Scooterdelivery Orderingsystem Ordering system Order Received Generate Bill Check confirmation Order Confirmed? Cancel order Order canceled Storage Storage Check availability Is Enough? Pack scooters Deliver scooters Scooters delivered Prepare scooters Request more from supplier Scooters available? Pickup additional scooters Scooters Customer Supplier This process represents customer order of the electric scooters. The customer has the ability to decline order if the final price doesn't suit him. If the order would be too large, we can ask our supplier for more scooters. Order Bill No Yes Scooters Cancelation Confirmation Yes No Yes Number of scooters Confirmation No -1 Possible deadlock if scooter is not available Total result: 7 out of 8