Demand for toilet paper at a grocery store is constant so the manager places an order for the same amount every week. Lately, the owner has noticed that variability in the demand for toilet paper has started to creep in. As a result, the manager should adjust the re-stocking strategy by: Demand for toilet paper at a grocery store is constant so the manager places an order for the same amount every week. Lately, the owner has noticed that variability in the demand for toilet paper has started to creep in. As a result, the manager should adjust the re-stocking strategy by: Adding a safety stock to the stocking quantity. Introducing a ROP. No adjustment is necessary