I'm not an economist, but this seems a silly question.
A change in the quantity demanded could be any or all of those, plus
a better product on the market
the obsolescence of a product
A change in the quantity demanded of a product is the result of a change in __________.
the price of the product
the price of related goods
consumer income
the cost of producing the product
I say the 3rd
3 answers
True
Price of a good ๐๐ป