Given the following linear programming problem
Max
10x1 + 12x2
s.t.
1x1 + 2x2 ≥ 40
5x1 + 8x2 ≤ 160
1x1 + 1x2 ≤ 40
x1, x2 ≥ 0
the final tableau is 
a.
Find the range of optimality for c1 and c2.
b.
Find the range of feasibility for b1, b2, and b3.
c.
Find the dual prices.
Definitions:
Restructuring
Thinking about a problem in a new way in order to solve it.
Using Analogies
The process of explaining a concept or idea by comparing it with something else that is more familiar or easier to understand.
General Intelligence
The theory that one common factor underlies intelligence.
Crystallized Intelligence
Intelligence that reflects both knowledge gained through experience and the ability to use that knowledge.
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