Insert the missing words $($they apply to both sentences$)$

We may feel pressured into conceding that long$-$term planning must establish formal terms of reference for these planned audits. Fortunately the $..................................$ comes to the rescue since we need not provide detailed plans for each audit over and above the act of selecting those areas that attract a high level of risk. The $...................................$ allows us to take an audit area and carry out some background work with a view to setting formal terms of reference for the ensuing audit.

Group of answer choices

preliminary survey

audit plan

risk management

terms of reference