Question

what is a complementary good for ice cream?​

Answer 1

Prices of related goods–frozen yogurt is a substitute for ice cream, so when its price goes up, more ice cream is demanded. Hot fudge is a complement for ice cream, so when its price goes up, less ice cream is demanded.

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Answer 2

Answer:

Prices of related goods–frozen yogurt is a substitute for ice cream, so when its price goes up, more ice cream is demanded. Hot fudge is a complement for ice cream, so when its price goes up, less ice cream is demanded.