Unformatted text preview: d ) is variable and order lead-time ( L ) is a constant. When both daily demand ( d ) and order lead-time ( L ) are variables. Single-Period Inventory Model (Marginal Analysis) P(Demand ≤ Q *) = o u u C C C + Periodic Review (Fixed-time Period) Inventory Model CD) ( 2 min + + = Opt h Opt o Q C Q D C TC L L + Z d R = d 2 2 2 d L Z L d R = L d + + I L t +L) + Z (t d Q = b d b-+...
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- Spring '10
- Operations Research, Critical path method