Ultima Inc., a manufacturer of high-end cell phones and laptops, has designed a campaign that specifically targets a group of emergent consumers and aims to persuade them to try its products. This campaign is an example of:

Which of the following is a function performed by market prices? a. market prices communicate information to buyers and sellers. b. market prices coordinate the decisions of buyers and sellers. c. market prices motivate entrepreneurs to produce those products that are currently most desired relative to their costs of production. d. all of the above are functions performed by market prices.