I've attached the problem and the relevant supplementary material. The DFD 0 should be in the same format as the example and the EAD table should be in the same format as the example. Thank you.

\fAssignment Books Ga'Lore! needs assistance to document its business processes for the revenue cycle - customer credit card sales. The following is a narrative, along with a list of tables in the Books Ga'Lore! database Books Ga'Lore! sells books. When a customer makes a credit card purchase at their retail outlet, an employee totals the items. The credit card information is submitted to the credit card company. After receiving credit confirmation, the employee generates a receipt then gives the receipt and items to the customer. Books Ga'Lore! database tables: Item, Customer, Sales Order, Sales Order Line, Vendor, Purchase Order, Purchase Order Line, Employees, Employee Type, Time, Cash Receipts, Cash Account, and General Ledger. Requirements Complete the following for Books Ga'Lore! 1. Annotate the narrative; label and number the events. (5 points) 2. Create an Event-Agent-Database (EAD) table. (use the appropriate tables from the list provided) (5 points) 3. Build a level-0 DFD for sell-books. (10 points) Print or scan your work to a PDF file, and submit through the DFD Homework drop box. Resources See the attached "DFD Supplemental Reading" file, including a description of "Ten Steps to Build a DFD" on pages 6 - 8. Use the first 5 of the "Ten Steps ..." as your guide to complete the requirements. \fAnnotating the narrative with serial numbers : SL NO Event details 1 Customer picks up the books from stores racks and approaches payment counter for billing 2 The person at the billing counter makes relevant entries in the computerised payment system. Such entries would include Title of books, number for each title, prices for each title etc. 3 The computer adds up and displays total value of books purchased. The billing agent rechecks the details and confirms the total. The computer then asks to enter relevant credit card details 4 Customer forward the credit card to the billing agent. Billing agent enters the credit card details. 5 Credit card details get electronically transmitted to credit card company for confirmation. The billing agent waits for receiving confirmation from the credit card company. 6 Billing agent receives the confirmation from credit card company and accordingly generates cash receipts 7 Billing agent hands over the cash receipt along with items to the customer Event agent database : Cash receipt no Time Customer id (if any) DFD ( Data flow diagram) of the system: Employee detail ( i.e. details of billing agent) Cash account Input Output Title and number of units of each book Confirmation of credit card details Enter credit card details Adding up of total purchase value through software Payment system software Cash receipt Employee ID ( Billing agent) Books and cash receipts to customers Credit card details of customer SYSTEM : Sell Books