User registration BankID Verification Service Mycompany E-shop E-shop User database Registration failed Verify ID Registration failed New registration Send welcome mail Successful registration Notify user that ID is not valid Verify credit card Notify user that credit card is not valid Type of registration Add discount coupon to welcome mail Add user to database Stock Stock Send user a welcome present Prepare welcome gift Notify carrier Distribute package SalesDepartment Sales Department Request premium registration fee Carrier User Not valid ID Valid ID Not valid credit card Valid credit card Normal Package Premium Hana Pospíšilová, 468361 User registration on the e-shop: The user fills in a form with registration data, including ID and credit card details. This information is verified and then the user is registered. Depending on the type of registration he has chosen, he will receive a welcome bonus (discount coupon or tangible present). -1 unnecessary terminate (both of them) Total result: 7 out of 8