the right time. She collected the following data:

Demand $=12$ boxes per week Store open $=48$ weeks $\frac{?}{?}$ year

Order cost $=$$$\frac{45}{o}$rder Lead$-$time $=5$ weeks

Item cost $=$$$\frac{90}{b}oxStd.$ deviation $in$ weekly demand $=8$

Inventory$-$holding cost $=10$ percent per year Service level $=95$ percent

found $45$ units on$-$hand. There were no scheduled receipts and $30$ units were on backorder.

a$.$ What is the review period $(T)?$ Do not round intermediate calculations. Round your answer up to the nearest whole number.

weeks

b$.$ What is stock replenishment level with safety stock $(M)?$ Do not round intermediate calculations. Round your answer to the nearest whole number.

bottles

C$.$ How many units should be ordered? Do not round intermediate calculations. Round your answer to the nearest whole number.