I need typed answer with explanation. Don't use AI BOT. Explain why reaming options are incorrect .

Determining the extent of substantive audit procedures involves O determining whether to use analvtical procedures or whether to use tests of details. O determining whether to screen 100% of transactions using ADA or whether to use an audit sampling approach. O determining whether to perform substantive tests during the interim period or whether to perform all substantive tests at vear-end. O determining whether to use dual-purpose tests or whether to use roll-forward procedures