PetSmart operates 48 weeks per year and uses a continuous review inventory system. It purchases dry dog food for $16 per bag. The following information is available about these bags. Refer to the standard normal table at bottom of this page.

Average demand = 94 bags/week

Order cost = $40/order

Annual holding cost = 25 percent of the unit cost

Desired cycle-service level=89.97 percent

Lead time = 1 week constant

Standard deviation of weekly demand = 16 bags

Current on-hand inventory is 300 bags, with no open orders or backorders.

What is the amount of safety stock required to meet the desired service level? ____ bags (Enter your response rounded to the nearest whole number.)