Given that Idle Time $=($Cycle time x Number of workers$)-$ Processing time, which option below best describes an easy way to think of Idle time related to a Worker$-$Paced process at Subway?$$

Idle time is the time the workers are spending waiting $($doing nothing$)$ for the sandwich to get to their station.$$

Idle time is the time that the bread is stored in the freezer before entering the process.$$

Idle time is the time you spend in class learning about Idle time $($ha$!).$