Question: A maker of refrigerators with three manufacturing centers (call them 1, 2, and 3) and three distribution centers (call them A, B, and C) in a certain state, is faced with the problem of moving its product from the manufacturing to the distribution centers, at the following costs (in dollars per unit):

a) Find an initial solution to this transportation problem by the minimum-cell-cost method.

b) Formulate the problem as a linear programming problem