You produce air conditioning parts and are determining your kanbans needed for your compressor line. You can produce $200$ compressors each day with a lead time of $3$ days from customer order. Your process is designed to produce compressors in batches of $48$ units. You have quite a bit of variability with supply so keep a half a day's worth of production worth of compressors in safety stock. How many kanban's do you need for your compressor line?

$1$

$2$

$1\mathrm{.}08$

$19$