Consider a maximization model with several constraints. When you solve it, the optimal value of the objective is 1,350. Now suppose you add a new constraint and then reoptimize. What is true of the optimal objective value of the model with the new constraint?

a. It could be greater than 1,350.

b. It almost surely won't be equal to 1,350.

c. It is bound to be less than 1,350.

d. It could be equal to 1,350.