Which of the following constraints belongs to an integer programming model, but not necessarily to a goal programming model?

Price elasticity of demand is the percent change in demand divided by a percent change in price

Indicate whether the statement is true or false

D is the ________ in the model D = b0 + b1 X1 + b2 X2 + b3X3 + ... + bkXk

A) discriminant score B) disordinal interaction C) difference variable D) discriminant coefficients or weights