Posavek is a wholesale supplier of building supplies to building contractors, hardware stores, and home improvement centers in the Boston metropolitan area. Over the years, Po savek has expanded its operations to serve customers across the nation and now employs over 200 people as technical representatives, buyers, warehouse workers, and sales and office staff. Most recently, Posavek has experienced report from her terminal. The clerk then creates a digital vendor invoice record and sets a due date for payment. The system automatically updates the AP control account in the general ledger. Daily, the AP clerk reviews the open vendor invoice records from her terminal, looking for items that need to be paid. The clerk then records the payment in the digital check register and closes the open vendor invoice. Finally, the clerk prints a hard copy of the check and sends it to the vendor. The system automatically updates the AP and cash GL accounts.

Required
a. Create a data flow diagram of the current system.
b. Create a system flowchart of the existing system.
c. Analyze the physical internal control weaknesses in the system.