For example, if consumer incomes increase and the product is a normal good, then demand for the product increases and the demand curve shifts to the right for an given price. Demand for the product would change in the same way if per week O A. there is no change in the price of a substitute, the price of a complement, the population, the expected future price of the good, or tastes. O B. the price of a substitute increases, the price of a complement decreases, the population increases, the expected future price of the good increases, or tastes change to favor the product. O C. the price of a substitute decreases, the price of a complement increases, the population decreases, the expected future price of the good decreases, or tastes change to disfavor the product