For a given quantity demanded, the vertical distance between the effective and nominal demand curves shows the amount paid by the individual out-of-pocket and the amount paid by the insurer as per the agreed coinsurance rate. What would happen to the nominal demand curve in the event a person also has to pay a copayment, but no deductible?
a) nominal demand curve will rotate clockwise
b) nominal demand curve will rotate anti-clockwise
c) nominal demand curve will not rotate