Shipping Costs $($$$)$:

U$.$S$.$ Warehouses U$.$S$.$ Warehouses

Port Norfolk New York Savannah Supply Shipped Port Norfolk New York Savannah

Hamburg $55$ Hamburg $420390610$

Marseilles $60$ Marseilles $510590470$

Liverpool $55$ Liverpool $450360480$

Shipped

Shipping Costs $($$$)$:

Distribution Centers Distribution Centers

U$.$S$.$ Warehouses Dallas St$.$ Louis Chicago Shipped Warehouses Dallas St$.$ Louis Chicago

Norfolk Norfolk $756381$

New York New York $12511095$

Savannah Savannah $688295$

Demand $606550$

Shipped

Transshipment flows:

Norfolk

New York

Savannah

Cost $=$