The cost of clinic A are 3500 JD and the benefits for clinic A are 7000 JD, whereas the costs for clinic B are 2500 JD and the benefits for clinic B are 3500 JD. The net benefit and benefit-to-cost ratio (BC) for clinic A is: Select one: a. Net benefit = 3500JD, BC= 2 O b. Net benefit = 1000JD, BC= 1 Oc. Net benefit = 7000JD, BC= 1.5 Od. Net benefit = 2500JD, BC= 2