That's it which is given as a problem. There is no another info. I consider that it can be solved with given information.

A company has two plans located in London, one of them is in the Zone 1 and the other is in the Zone 2. Company delivers the product to markets via two warehouses. Table below shows the capacities of the plants and the warehouses and the demands of markets. According to the table given find the minimum shipping cost and routes. Markets Oxford demand 1250 supply 5000 (box) Plants: London Zone 1 warehouse capacity Liverpool 4500 York 3000 Leeds 4200 7500 Zone 2 Bristol 8000 Bath 2800 Cambridge 1000 Shipping costs (TL, per box) Liverpool Bristol Oxford York Leeds Bath Cambridge Zone 1 1 3 Liverpool 2 2 4 3 4 Zone 2 3 Bristol 3 1 1 1