Indicate the primary form of audit evidence for this procedure: Obtain letters from accounts receivable customers verifying they have a balance outstanding. O Physical examination O Confirmation O Inspection O Observation O Inquiries of client Recalculation Reperformance Analytical procedures Indicate the primary audit objective for this procedure: Trace from sales journal entries to postings in individual customer accounts in receivable subledger. O Physical examination O Confirmation O Inspection O Observation O Inquiries of client Recalculation Reperformance Analytical procedures A principal auditor decides to share responsibility for the work with another CPA who audited a wholly-owned subsidiary of the entity and issued an unqualified opinion. The total assets and revenues of the subsidiary represent 13% and 18%, respectively, of the total assets and revenues of the entity being audited. The auditor will most likely issue a(an): Standard unmodified opinion Unmodified opinion with explanatory paragraph O Unmodified opinion with changes to standard report wording O Qualified opinion O Disclaimer of opinion Adverse opinion