How much does it cost to transfer inventory from one region to another?

Question $29$ options:

Inventory can be transferred at no cost

$$5,000$ per shipment

$$1$ per unit for Product $1$ and $$2$ per unit for Product $2$

$$5000$ per shipment plus $$1$ per unit for Product $1$ and $$2$ per unit for Product $2$

Inventory cannot be transferred from one region to another