The answer would be letter A.
Answer: A lower price for a substitute decreases demand for the other product. A higher price for a substitute good has the reverse effect. Other goods are complements for each other, meaning that the goods are often used together, because consumption of one good tends to enhance consumption of the other.
~Bella M
Answer: (C) São Paulo.
Explanation:
The 1956 Development Plan assigned greater Sao Paulo as the most suitable place for Brazil's first car assembly facility, developed by Volkswagen. This would also be the first Volkswagen’s plant away from Germany. After one year, the Volkswagen plant in São Bernardo do Campo, close to São Paulo, was finished and it began the production of the Kombi model.
Perhaps their opinions are biased, or different, and they want to show two sides!!