Consider the hypothetical transportation problem shown in Table 1 below. Table 1: Hypothetical Transportation Problem

from	to	to	to	supply
A	100	150	120	1000
B	120	80	75	700
C	90	70	100	800
Demand	700	900	900

a) Formulate the transportation problem as a linear programming model. Clearly present details of the formulation, state and justify your assumptions. b) Use Microsoft Excel to solve the problem. c) Present your findings, including a critical discussion of the results.