Below are the transportation costs per unit ($/unit) for a specific product between two factories (i.e., supply points) and three warehouses (i.e., demand points): To From Des Moines Kansas City St. Louis Jefferson City 14 9 7 Omaha 8 10 5 The Jefferson City factory supplies 30 units, while the Omaha factory supplies 20 units over a given time period. The demand from the Des Moines, Kansas City, and St. Louis warehouses (during the same period) is for 25, 15, and 10 units, respectively.

	D1	D2	D3
S1	14	9	7
S2	8	10	5

Develop a mathematical model for this problem; be sure to define the variables in your model. e)