Goal Programming and Linear Programming Differ in That

Multiple Choice

Goal programming and linear programming differ in that

A) in LP,the objective function is maximized or minimized,while in goal programming,the deviation between goals and possible achievement is minimized.
B) slack variables are used in LP,while deviational variables are used in goal programming.
C) deviational variables have positive objective function coefficients in goal programming,but slack variables have 0 coefficients in LP.
D) All of the above
E) None of the above