A yogurt shop has a half-price mystery scoop special. The scoop could have vanilla or chocolate yogurt. It will also include either hot fudge, caramel, or marshmallow topping. Which list shows all the possible outcomes of the mystery scoop special? a) S = {vanilla, chocolate, hot fudge, caramel, marshmallow}

b) S, = {(vanilla, hot fudge), (vanilla, caramel), (vanilla, marshmallow)}

c) S = {(vanilla, hot fudge), (vanilla, caramel), (vanilla, marshmallow), (chocolate, hot fudge), (chocolate, marshmallow)}

d) S = {(vanilla, hot fudge), (vanilla, caramel), (vanilla, marshmallow), (chocolate, hot fudge), (chocolate, caramel), (chocolate, marshmallow)}