Suppose Angioplasty and Coronary Artery Bypass Graft CABG) Surgery Are

Suppose angioplasty and coronary artery bypass graft CABG) surgery are substitute treatment alternatives for coronary artery disease. What should happen to the equilibrium price and quantity of angioplasty procedures if a new CABG technique is introduced that is less invasive requiring a 4 inch incision under the breast bone rather than cracking open the patient's rib cage) and requires one-third the recovery period of regular CABG surgery.

A) Both price and quantity will increase.
B) Both price and quantity will decrease.
C) Price will increase and quantity will decrease.
D) Price will decrease and quantity will increase.
E) The introduction of a new CABG procedure should have no effect on the price or quantity of angioplasty procedures.