C$$u h$$i $6/35$ tr$$ l$$i: $0.$

$$ xem nhung ch$$a tr$$ l$$: $6.$

LOGage Company specializes in manufacturing Product A$.$ It is estimated that the average daily demand of Vendor X for Product $A$ is $5000$ units per day, which is normally distributed with a standard deviation of $700$ units. Implementing the period inventory system, Vendor $x$ checks and places orders for stock every $15$ days. At the time of inspection, there are $17800$ units of remaining stock at Vendor X$\text{'}$s inventory. With the lead time being $7$ days, determine the order size for this order period that will enable LOGage Company to maintain a $95\%$ service level.

A$.$ Approximately $104000$ units

B$.$ Approximately $97600$ units

C$.$ Approximately $120800$ units

D$.$ Approximately $85300$ units