Based on the flows provided, using LucidChart, draw a physical data flow diagram for the Disbursements, Accounts Payable, & Cash Payments business process. Explain the importance of using a physical data flow diagram. 

Flow 1: Invoice received from vendor

Flow 2: Accounts Payable invoice notice sent to general ledger

Flow 3: Approved voucher (payment request) sent to cashier (3a) and to general ledger (3b)

Flow 4: Payment (e.g. check) sent to vendor by cashier (4a), paid voucher (payment notice) returned to the accounts payable department (4b), payment notice sent to the general ledger (4c)