Regional Manager: Several of our stores have recently implemented a new method of taking daily inventory that uses less of our warehouse employees’ time by using more automated processes than the previous system. It is thus clear that the new, more automated system better optimizes these stores’ use of human resources than the older method did.
Which of the following, if true, most strengthens the argument above?
【选项】
Some of the stores that have switched to the more automated system still use elements of the old system at times.
选项是否正确？