Page $6$

Sensitivity Analysis

$24.$ Decreasing the objective function coefficient of a variable to its lower limit will create a new problem that has an unbounded solution.

a$.$ True

b$.$ False

Computer Solution

$25.$ Positive shadow prices will never exist in a maximization problem.

a$.$ True

b$.$ False

An Investment Example

$26.$ Standard form requires that fractional relationships between variables be eliminated.

a$.$ True

b$.$ False

A Marketing Example

$27.$ In a balanced model, supply does not equal demand and one set of constraints is $to$ the other.

$a.$ True