Maurice and Janice are discussing final analytical procedures that are conducted toward the end of an audit. Maurice has recently joined the firm and is working on his first audit. He asks Janice to explain in a little more depth about analytical procedures performed at the end of the audit. Which of the following statements by Janice are accurate? $($Select all that apply.$)$

$-$Analytical procedures are required by generally accepted auditing standards to be conducted at the beginning of the audit only as part of risk assessment.

$-$The nature, timing, and extent of final analytical procedures are determined jointly during the audit by the auditors and senior management.

$-$The exact analytical procedures performed are determined subjectively by the

auditors, based on his or her experience with the industry and the client.

$-$Analytical procedures are used at the end of an audit to help the auditor confirm his or her understanding of the audit findings.