Question $50$

$1$ pts

An activity that does not add value is

ensuring an entire week's worth of invoices are always waiting in the inboxes of the billing clerks so that the start of their work process is never delayed

ordering supplies from a limited number of suppliers because costs always increase when competition is reduced

training employees; it is just a wasteful cost of doing business

performing monthly preventive maintenance instead of maintaining an adequate supply of back$-$up equipment and switching systems When needed