Prepare a context diagram and a Level 0 DFD for each of the following situations. a. Prepare and file a tax return with the tax owed to the Internal Revenue Service. b. A customer pays an invoice with a check. Accounts receivable is updated to reflect uax retun with th t owdveispdated to reflect c. A customer places an online order to purchase merchandise. The order is approved, d. An inventory request is received by the purchasing department. The purchasing e. A vendor invoice is received, reviewed, and compared against the appropriate f. A bill of lading for ordered inventory is received from a vendor, recorded, checked the payment. The check is recorded and deposited into the bank. filled, and sent to the customer with an invoice. department prepares and sends a purchase order to the appropriate vendor. purchase order, then paid and filed. against the appropriate purchase order, and filed