Suppose we are considering a project, policy, or program, and when we total up all the individual benefits and all the individual costs from it, we find that that total benefit is greater than that total cost. Then we know
a. that action would create an A/D that is Pareto superior to the A/D that exists before it is taken
b. that by taking that action, an A/D that is Pareto superior to the A/D that exists before it is taken could be created
c. by taking that action, a PE A/D would be created
d. more than one of the above statements is true