Answer:
The correct answer is: the price of the complement decreases ; the price of the substitute increases.
Explanation:
The law of supply and demand formulates five postulates that serve as a frame of reference:
What are complementary goods?
However, there are other factors that determine the relationship between supply, demand and price of products. One of them is complementary goods.
The concept refers to all those products that depend on each other. That is, they are so closely linked that the behavior of one inevitably affects the behavior of the other.