QUESTION $4$

Suppose the allowable increase and decrease for an objective coefficient of a decision variable that has a current value of $$30$ are $$25($increase

and $$15($decrease$).$ If the coefficient were to change from $$30$ to $$20,$ the firm's profits will not change.

True

False

QUESTION $5$

It is often useful to perform sensitivity analysis to see how, or if$,$ the optimal solution to a linear programming problem changes as we change one

or more model inputs.

True

False

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