The demand data that follows was collected for a product using periods of $5$ days in length. The lead time for this product is $1$ weeks. The desired service level is $95\%.$ Calculate the safety stock level $($SS$)$ and the reorder point $($ROP$).$ Use the MAD to calculate safety stock.

Demand

$-------$

$210$

$180$

$166$

$250$

$190$

$174$

Question $6$ options:

SS $=40\mathrm{.}5$ ROP $=313\mathrm{.}5$

SS $=48\mathrm{.}0$ ROP $=243\mathrm{.}0$

SS $=48\mathrm{.}0$ ROP $=321\mathrm{.}0$

SS $=67\mathrm{.}2$ ROP $=340\mathrm{.}2$

SS $=56\mathrm{.}8$ ROP $=329\mathrm{.}8$