Consumer surplus exists because of the A. surplus of money that wealthy consumers hold.

B. surplus in marginal product that firms get when they hire an additional worker.

C. willingness of some consumers to pay a price higher than the market price for some units of a good.

D. additional utility that households obtain when the prices of substitutes fall.

E. increase in the availability of goods when income rises.

Greenway industries is a major multinational conglomerate. its business units compete in a range of industries, including home appliances, pharmaceuticals, commercial real estate, and plastics manufacturing. although its largest business unit, which produces kitchen appliances, is among the most profitable in the industry, it generates only 35 percent of the company's revenues. which of the following is most likely true of greenway's stock price? a. it is valued at less than the sum of its individual business units. b. it is valued at greater than the sum of individual business units. c. it is valued at the exact sum of individual business units. d. it is consistently lower than the industry average. it is valued at greater than the sum of individual business units.