Answer :
OPTION (C) The demand for Product B will decrease. As A and B are Complementary products.
What is demand?
In economics, demand is the quantity of a good that consumers are willing and able to purchase at various prices during a given period of time. The relationship between price and quantity demand is also called the demand curve.
What are Complementary Products?
A complementary product is an item that is bought together with the main product. These products are used in conjunction, so complementary goods often bring little value or can't be used separately, such as petrol, SIM card, baking powder.
More Examples are: Cereal and milk, or a DVD and a DVD player. On occasion, the complementary good is absolutely necessary, as is the case with petrol and a car.
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