upon arrival. When the customer order is entered, the system automatically performs an online credit check. If credit is approved, the sales process continues. If credit is denied, the process ends and the customer is notified of the automatic rejection. For approved order, the clerk manually prepares four hardcopies of each sales order.Onecopy is entered into the terminal in the sales department and filed. The approved sale is automatically posted to the digital sales journal. A second copy is sent to the billing department, where it is further processed. A third copy is sent to the warehouse. A final copy is sent to the customer as a receipt stating that the order has been received and processed. At the warehouse, the sales order is used as a stock release, authorizing a warehouse clerk to physically pick the requested items from the shelves. The clerk then manually prepares a bill of lading and packing slip, which accompany the goods to the carrier. The warehouse clerk then accesses the computer terminal and creates a digital shipping notice for the billing department. Finally, the clerk files the stock release hard copy in the warehouse. From a terminal, the billing department clerk reconciles the hard-copy sales order and the digital shipping notice and prints two hard copies of an invoice. One copy is sent to the customer as a bill and the other is sent to the AR department. The clerk then files the sales order copy in the department. Uponreceiptofthehard-copyinvoice,theARclerk creates a digital record in the AR subsidiary ledger from his terminal. The clerk then files the invoice copy in the department. Customer payments and remittance advices come into the mailroom. The clerk separates the documents and sends the remittance advice to AR and the checks to the cash receipts department. Upon receipt of the remittance advice, the AR clerk accesses the customer’s account in the AR subsidiary ledger from a terminal and adjusts the balance accordingly. The clerk files the remittance advices in the department. The cash receipts clerk receives the checks and posts them to the cash receipts journal from her terminal. The clerk then manually prepares a hard-copy deposit slip and sends it with the cash to the bank. Finally, at the end of each day, the system prepares batch totals of all sales and cash receipts transactions and posts them automatically to the control accounts in the digital general ledger. Required: a. Create a data flow diagram of the current system. b. Create a system flowchart of the existing system. c. Analyze the internal control weaknesses in the system. Model your response according to the six