DL Corporation is considering adding Site D or E to their current operation. Using the linear programming model for transportation problems, identify the decision variables, objective function and constraints. Then assist DL Corporation in making a decision. Support your answer with numbers.

			FROM
				A			B			C		Demand
TO			$			$			$
	H		20			17			21			250
	I		25			27			20			200
	J		22			25			22			350
Capacity			300			200			150

			FROM
				D			E
TO			$			$
	H		29			27
	I		30			28
	J		30			31
Capacity			150			150