Question

9:-Which one of these is not an example of complementary goods?
Pen and Refill
Bread and butter
Tea and coffee​

Answer 1

Answer:

A Complementary good is a product or service that adds value to another. In other words, they are two goods that the consumer uses together. For example, cereal and milk, or a DVD and a DVD player. On occasion, the complementary good is absolutely necessary, as is the case

Explanation:

Thanks me as much as possible

Answer 2

Answer:

Tea and coffee is the answer