It Has Been Determined That, with Respect to Resource X

Multiple Choice

It has been determined that, with respect to resource X, a one-unit increase in availability of X is within the range of feasibility for X and would lead to a $3.50 increase in the value of the objective function. This $3.50 value would be X's:

A) range of optimality.
B) shadow pricE.
C) range of feasibility.
D) slack.
E) surplus.