The following documents are used in the expenditure cycle: Vendor invoice Purchase order Disbursement voucher Purchase requisition Packing slip Receiving report Check Required

a. Identify which of these documents are internally generated and which are externally generated.

b. For each internally generated document, how many copies are needed? What is the purpose of each copy? Where does each copy go?

c. Describe the application controls that should be in place if each of these paper documents were replaced by electronic forms.