The appropriate sampling unit for the above tests using attributes sampling is a sales invoice number, date, or line item in the Reauirement c. List the attributes for testina in nart a. (Comnlete all innut fieids. Select "Attribute samolina is not anoronriate - N/A" for orocedures that Requirement a. Identify which audit procedures can be tested by using attributes sampling. (Complete all input fields.)