Quantitative Analysis for Management, 13/e

Solved Problems

Solved Problem M8-1

Don Yale, president of Hardrock Concrete Company, has plants in three locations and is currently working on three major construction projects, located at different sites. The shipping costs per truckload of concrete, plant capacities, and project requirements are provided in the accompanying table.

1. Formulate an initial feasible solution to Hardrock’s transportation problem using the northwest corner rule.

2. Then evaluate each unused shipping route (each empty cell) by applying the stepping-stone method and computing all improvement indices. Remember to do the following:

   1. Check that supply and demand are equal.

   2. Load the table via the northwest corner method.

   3. Check that there are the proper number of occupied ...