In a nonlinear programming model, the Lagrange multiplier reflects the appropriate change in the $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ due to a marginal change in the right$-$hand side of a constraint.

Please choose the option that best fit the empty space above.

Group of answer choices

coefficient

left$-$hand side of the constraint

the $"$Z$"($from the objective function$)$

shadow price

None of the above