Languages homework help

Need to select four configurations of operating and closed plants so that the total capacity of all plants equals the total demand of five warehouses. One configuration must have at least one closed plant.1. Setup the initial solution using the Northwest Corner Method2. Using the Stepping Stone Method to test for the possible improvement and find the best solution for each configuration. 3. Compare the result of configurations. Please can someone do this. I already submitted this once and my tutor cancelled at the very last minute.