Which of the Following Concerning Sensitivity Analysis Is Incorrect

Which of the following concerning sensitivity analysis is incorrect?

A) It is used to study changes in the objective function with respect to per unit change in one or more coefficients.
B) It is used to observe changes in the constraint function when the amount of an available resource is altered.
C) It is used to calculate the shadow prices of the decision variables.
D) It is used to derive the new optimal point of operation,when the objective function,or the constraint functions,or both change.
E) It is used to identify the correct set of simultaneous equations.