please answer all. thank you so much

For each procedure, indicate the primary audit objective being satisfied: Determine whether sales orders are approved by system only for valid customer numbers in customer master file. Occurrence O Completeness - transactions Accuracy - transactions Timing O Posting and summarization O Existence Completeness - balances O Accuracy - balances Cutoff Detail tie-in Realizable value Attribute sampling can effectively be used for the following procedure with the sample drawn from sales invoice numbers recorded in the sales journal : Examine the customer order for evidence of credit approval prior to shipment. True False Question 33 0.5 pts Attribute sampling can effectively be used for the following procedure with the sample drawn from sales invoice numbers recorded in the sales journal: Verify that the sales computer program only accepts valid customer numbers in the customer master file. O True False Attribute sampling can effectively be used for the following procedure with the sample drawn from sales invoice numbers recorded in the sales journal: Examine evidence on sales invoice that the prices, quantities and extensions have been checked by the accounts receivable clerk. True False Question 35 0.5 pts Attribute sampling can effectively be used for the following procedure with the sample drawn from sales invoice numbers recorded in the sales journal: Account for the numerical sequence of sales invoices for one month. True O False Attribute sampling can effectively be used for the following procedure with the sample drawn from sales invoice numbers recorded in the sales journal: Vouch entry in sales journal to sales invoice and shipping document. True O False Question 37 0.5 pts Attribute sampling can effectively be used for the following procedure with the sample drawn from sales invoice numbers recorded in the sales journal : Foot the sales journal for the month of June and trace postings to the general ledger. True False