Step

Description

Time per computer

$1$

Move the machine to their work area

$4\mathrm{.}9$ minutes

$2$

Scrub and clean hardware

$12\mathrm{.}1$ minutes

$3$

Strip off old operating system

$6\mathrm{.}9$ minutes

$4$

Install new operating system & software

$10$ minutes

$5$

Move machine back to its previous location

$9$ minutes

One member of ITS will be assigned to each step. Each member will work a $40$ hours per week and rotate jobs each week. Demand is forecasted at having to refurbish $246$ computers per week. ITS is unsure that they can deliver on the promise.

After $8$ hours, how many units of work$-$in$-$process $($WIP$)$ will be at station $2($or think of it as between station $1$ and $2)$ if all stations are working at their maximum capacity $($assume steady state$)?$