## What is the annual increase in power distribution cost that results from adding these constraints to the original formulation?

Aggie Power Generation supplies electrical power to residential customers for many U.S. cities. Its main power generation plants are located in Los Angeles, Tulsa, and Seattle. The following table shows Aggie Power Generation’s major residential markets, the annual demand in each market (in Megawatts or MWs), and the cost to supply electricity to each market from each power generation plant (prices are in \$/MW).

a. If there are no restrictions on the amount of power that can be supplied by any of the power plants, what is the optimal solution to this problem? Which cities should be supplied by which power plants? What is the total annual power distribution cost for this solution?

b. If at most 4,000 MWs of power can be supplied by any one of the power plants, what is the optimal solution? What is the annual increase in power distribution cost that results from adding these constraints to the original formulation?

### What is the optimal profit and what are the optimal number of Top Lathes and Big Presses?

King City Inc. manufactures machine tools. The production planner who oversees the production of two of King City’s machines needs to determine how many of each to produce this month…..

### Formulate and solve the nurse scheduling problem as an integer program for one day for the data given below.

Hospital administrators must schedule nurses so that the hospital’s patients are provided adequate care. At the same time, careful attention must be paid to keeping costs down. From historical records,….

### Solve the model formulated in part a. What is the minimal amount of trim loss?

STAR Co. provides paper to smaller companies with volumes that are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill….