a major problem in the product returns process is the unpridictaunpredictability of when returns will arrive at the ware house $.$Usually the returns processing facility does not know what and how much product will be returned on any given day $.$the vast majority of returns are unplanned and are therfore to a large extent unpredictable. consequently,problems arise when trying to conduct proper route planning or to schedule staff,vehicles, equipment and other resources when demand for those resources is unknown or vavariable $($pienaar et al$.,2017).$taking the above insert into account, discuss the respective stages in the reverse logistics process