The transportation model a. uses both qualitative and quantitative factors. b. determines the crossover point between two different locations. c. determines the best pattern of shipments from several points of supply to several points of demand. d. finds the location of a single distribution center that minimizes distribution costs.

C. determines the best pattern of shipments from several points of supply to several points of demand.          

Explanation:

The transportation model: This is a case of linear programming that focuses on the issue of shipping commodities from various sources to several destinations. It determines the concept of moving one thing from one to another place without being changed. Any damage would lead to various consequences.

Assumptions: Availability of the commodity (if supply is equal to sources then it is defined as a balanced problem and if the sources are more then the total demand has to be balanced).

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