REQUIRED: IDENTIFY THE ASSERTION[S] RELATED TO EACH AUDIT PROCEDUREASSERTION[S]ProcedureEO= existence or occurrence C=Completeness A=Accuracy Cl=Classification Cu=Cutoff V=Valuation RO=Rights & Obligations PD=Presentation & DisclosureCheck sales orders for credit approvalCompare checks issued to vendors with vendor invoicesVouch purchase orders by the purchasing department to vendors to determine that inventory management issued requisitions authorizing purchasing to place the orders