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A drug store has a customer demand for a product. The demand during lead time is assumed to be normally distributed with an average demand of $25$ units with a standard deviation of $5$ units. It takes $10$ weeks to receive a new order since the time it is placed and it remains constant. Assuming $90\%$ service level what should be the reorder level? Round$-$up to the nearest integer

$34$

$39$

$277$

$32$

$275$