The daily demand for flour at Charlie's new central Cookie HQ is independent and normally distributed, with a mean of 100 bags, and a standard deviation of 10 bags.

Charlie's supplier, Billsdury Flours, has offered Charlie the following terms:

1. Material cost = $10 per bag
2. Ordering cost = $25 per order
3. Average lead time = 5 days
4. Standard deviation of lead time = 2 days

Charlie's inventory holding cost is 18.25% (of the material cost) per year. Charlie's Cookie HQ operates 365 days a year.

Suppose Charlie monitors the inventory of flour periodically every 10 days, and wants to keep a service level of 95%.

The average order quantity is ________ bags.

Group of answer choices

100

200

500

1000

The standard deviation of lead-and-review-time demand is ________.

Group of answer choices

100

200

101.50

203.72

The appropriate level of safety stock (measured in bags of flour) for Charlie to carry, when inventory is reviewed periodically every 10 days is ______ bags.

Group of answer choices

100

230

335

457

The OUL (order-up-to-level) for Charlie is ______ bags.

That is, every 10 days, when Charlie reviews the inventory of flour, Charlie should order the difference between this OUL and the current level of inventory.

Group of answer choices

100

1000

1500

1835