please answer this one

Question 1 (13 Marks): Create an UML Activity Diagram to illustrate the different activities of an Amazon shopping mobile application. Online customer can browse products, view specific item, add it to shopping cart, view shopping cart, checkout. Checkout is assumed to include user registration and login. "already registered" A customer will be required to insert a Username and enter password. If a customer's password is correct, the mobile application will update the shopping cart and shows a wallet balance. Otherwise, if a customer's Password is invalid the customer required to enter a Password again. A customer determines amazon wallet as a payment option at this moment the amazon checks an amazon wallet balance. If the bill more than a wallet balance, the mobile application shows a wallet balance. Otherwise, if there are enough money in the wallet, the amazon will receive bill amount and at the same time the debit account is done in the amazon wallet. After that, the mobile application shows a receipt and order confirmation. You are required to show the following in your diagram: 1. All activities. (7 Marks) 2. Decision nodes with guard conditions, if any. (1 mark) 3. Merge nodes, if any, (1 mark) 4. Fork and join nodes, if any.) 2 marks 5. Partitions (swimlanes), if any. 2Marks