One of the 10 variants represents the majority of total demand.Weekly demandfor this variant is normally distributed, with a mean of 1,000 and a standard deviation of 200.

• Eachof the remaining 9 variants has a weekly  demand of 28 and a standard deviation of 20.
• Orion uses a reorder point policy and aims to provide a service level of 95%.
• Replenishment lead-time is4 weeks.
• Assume 50 weeks in a year.

2. How much safety stock of each variant (the major variant, and each of the other 9 variants) must Orion keep? What is the Reorder Point for each variant?
4. If Orion decides to sell a universal design copier (i.e., only one variant), how much safety stock must Orion keep to achieve the same service level?
6. If Orion decides to keep the major variant (high-demand variant) and sell a universal design copier for the other 9 low-demand variants, how much safety stock should be used in total to achieve the same service level?