Which of the following statements concerning the documentation of compliance with ISAs is correct?

$($i$)$ All professional judgment made, in an audit, must be documented

$($ii$)$ Compliance must be separately documented using, for example, a checklist

$($iii$)$ Compliance may be demonstrated by documents included within the audit file

Please select the right answer.

$($i$)$ only

$($i$)$ and $($ii$)$

$($ii$)$ and $($iii$)$

$($iii$)$ only