The 30 day rule
B: ensure quick shipments and not lose customers because we didn't have something stocked
D: have a 30 day supply of the 3 inventories(raw mat.,in houst stock, and out of house stock).
A: Grow as a company and not lose customers due to unavailabiltity of product
Click on the icons on the arrows to see assumptions and injections
C: have low inventory costs
D': Have supplies depend on demand and have 30 day supplies only for the highly demanded products.
In order to Grow as a company and not lose customers due to unavailabiltity of product I must ensure quick shipments and not lose customers because we didn't have something stocked and in order to ensure quick shipments and not lose customers because we didn't have something stocked I must have a 30 day supply of the 3 inventories(raw mat.,in houst stock, and out of house stock).. But, in order to Grow as a company and not lose customers due to unavailabiltity of product I must also have low inventory costs and in order to have low inventory costs I must Have supplies depend on demand and have 30 day supplies only for the highly demanded products.. I can't both have a 30 day supply of the 3 inventories(raw mat.,in houst stock, and out of house stock). and Have supplies depend on demand and have 30 day supplies only for the highly demanded products..
| Relation | Assumption(s) | Injection(s) |
| B-D | often vendors and lead times vary so having a certain amount of stock is vital |