Generally,which Pairs of Variables Could Be Positively or Negatively Related

Multiple Choice

Generally,which pairs of variables could be positively or negatively related depending on the characteristic of the product?

A) The income of consumers and the demand for a product
B) The price of a product and the quantity of that product demanded
C) The price of a product and the demand for a complementary product
D) The supply of a product and the cost of resources required to make it