which statement is true of the relationship of price to quality? a. in the absence of other information, people typically assume that if prices are higher this rarely indicates higher quality. b. when a purchase decision involves uncertainty, consumers tend to attribute higher quality to low-priced products. c. consumers' perception that a higher price indicates higher quality seems to vary from one product to another. d. price promotions of higher-priced, higher-quality brands tend to attract more business than do similar promotions of lower-priced and lower-quality brands.