Worker A Worker B Worker C

Run time $=2$ min$/$unit

C$/$O $=13$ min

Run time $=3$ min$/$unit

C$/$O $=7$ min

Run time $=3$ min$/$unit

C$/$O $=6$ min

For differing process batch sizes $(1,10,30),$ answer the

following:

$1.$ Expected cycle time of the department

$2.$ Raw processing time

$3.$ Critical WIP level of the department

$4.$ Expected LT when WIP $=10$ batches

$5.$ Daily capacity, assuming two, $480-$minute shifts

CTA $=$ RT $+$ C$/$O $=2+13=15$

min.

$3+7=10$ min. $3+6=9$ min.