Answer:
The correct answer is the following combination: Increase; indefinite change.
Explanation:
To begin with, in the microeconomics theory when it comes to the rise of the price of a product the factors of major impact will be the inputs needed in the production of final good. In this particular case, the fact that the price of the milk has increased it will afect directly the price of the cheese in a matter of going up. And that consequently will afect the quantity demanded by going down. However, due to the fact that now the price of the bagels, a complement of the cheese, has gone down then it is indefinite to known what will happen to the quantity demanded of the cheese due to the fact that this last factor will impact it positively. So in the end, the two situations affect the quantity to a matter of indefinite change.