Activity Diagram
Buy 99 is a wholesales company selling stationery. The company starts its order processing
when it receives an order from the customer. After the company accepts the order, the clerk will
check the order against the inventory; if the inventory has sufficient stock, the clerk will reserve
the stock and charge the customer credit card for the order. If the inventory has insufficient
stock, the clerk will notify the customer and ends the process. If the clerk charges the credit
card successfully, the clerk will register the payment. At the same time, the clerk will also
generate a pick-and-pack slip, followed by updating the inventory. After completing the
registration of payment and the updating of inventory, the clerk will notify the customer. If the
clerk did not charge the credit card successfully, the clerk will cancel the reservation of the
stock and then notify the customer about the failure of the payment.
Draw an Activity Diagram to document the above system.
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