All are possible causes. All are possible options. Regional factors are very important. Community factors are very important. Availability of raw materials must be considered.
Labor cost is important.
A few factors dominate the choice. MODI analysis 15. MODI analysis 16. The main factors in the decision will be supply of raw materials, which has a weight of .50, transportation cost, which has a weight of .40, and labor cost, which has a weight of .10.