Which operations would you use in a personnel calculation rule (PCR) called by function PIT (Process the IT table) to reduce the amount of a wage type by 10% and also retain it for further processing?

Which function/parameter combination must you activate in a productive payroll schema?

In which internal table can you find the cumulated time wage types?

Which wage type do you use for cumulations?

Which personnel calculation rule is used to determine the "Time wage type selection group" (MODIF W)?