When Using the Lagrangian Technique for Solving a Constrained Cost-Minimization $\lambda$

Multiple Choice

When using the Lagrangian technique for solving a constrained cost-minimization problem,the Lagrangian multiplier $\lambda$ is:

A) the optimal level of cost.
B) the minimized marginal cost.
C) the minimized total cost.
D) the maximized profit.
E) equal to zero.