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June 15th, 2009, 02:26 PM  #1 
Newbie Joined: Jun 2009 Posts: 1 Thanks: 0  I NEED a formula or equation!
I need a formula or equation for determining par stock levels. I sell three resupply products most commonly replaced every 3 or every 6 months. I know what qty I shipped of each during each of the past six months AND I know how many new customers were established six months ago and three months ago. I can assume a 50% compliance rate among 6month old customers and a 25% compliance rate among 3month old customers. With all this info, I should be able to project my stock needs for the next month & determine the qty of each product to have on handhow do I do that?


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