(b) The requirement is to identify a PCOAB engagement
that focuses on a selected quality control issue. Answer (b)
is correct because this is ordinarily the focus of the PCAOB inspection.
Answer (a) is incorrect because a financial statement
audit focuses on the fairness of presentation of financial statements.
Answer (c) is incorrect because peer reviews ordinarily
focus upon an accounting firm’s overall accounting and audit
practice. Answer (d) is incorrect because there is no engagement
referred to as quality control.