4. List down the keywords for paper NE XT S T E P I N C H OO SI N G T H E T OPI C F OR YOU R AC C OU NT I NG R ES E ARC H PAPE R I S T O N OT E D OW N T HE LIS T OF US E F UL K E YW OR D S. T HU S YOU WI LL HAV E T O S E ARC H F OR K EY WO R DS T HAT AR E U S EF U L FO R DE S C R I BI NG T HE TO PI C . IT WI LL HE LP YOU I N W RI T I NG R ES E ARC H PAPE R S SO TH AT YOU DO N’T MI S S A NY IM PORTAN T S U BT OP IC I N T H E R ES E ARC H PAPE R.