What do we mean when we speak of the price/value heuristic? Select one: a. That in general, the higher the price, the lower the value of the product b. That in general, price is the most important component of value. c. That in general, people perceive a product with a higher price to be a better product d. That price is only one factor people use to determine a product's value e. That for socially consumed goods, price is part of the product