Your Express Package Courier Company Is Drawing Up New Zones

question 29

Essay

Your express package courier company is drawing up new zones for the location of drop boxes for customers.The city has been divided into seven zones.You have targeted six possible locations for drop boxes.The list of the seven zones and which drop boxes could be reached easily from each zone is listed below. ​
Let x_i = 1 if drop box location i is used,0 otherwise.Develop a model to provide the smallest number of locations,but make sure that each zone is covered by at least two boxes.​

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Definitions:

Expatriates

Employees who are temporarily transferred to work in a country other than their home country.

Repatriates

Individuals who return to their home country after living or working abroad, often facing re-adjustment challenges.

Home-Country Nationals

Employees who are working in a foreign country but are citizens of the country where the head office of their organization is located.

Global Corporation

A firm that has integrated worldwide operations through a centralized home office.