Refer to the following narrative of EspressoCoffe to process the customer orders. Draw Level 1

DFD with appropriate explanations of the steps.

EspressoCoffee processes a customer order in the following sequence. After receiving a customer order and verifying the customer's identity, the items' availability is verified. Upon availability of all items, the customer credit standing is verified. To verify the customer credit standing, an authorization request for the order total is sent to the credit card company. Upon receipt of the customer credit confirmation, sales order information is stored in the Sales Order and Sales Order

Line tables. If the customer does not have aood credit standina or any items in the customer's order are not available, then the customer order is rejected and customer is notified.

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The folowing dsa flow diagranti has treee ageris (A1, A2, A33). fwe processess events (P1. P2\}. and two database tabies (T 1. T2) Identify and ist the empers thax you see in the DFD. DD aith apgespriate coglunatione of the alime. it not fied. The following data flow diagram has three agents (A1, A2, A3), two processes/events (P1, P2), and two database tables (T1, T2). Identify and list the errors that you see in the DFD