Refer to the figure below. If Laura and Chris are the only two consumers in this market, then when the price of hamburger decreases from $2.50 to $2.00 per pound, the quantity demanded in the market will ________ by ________ pound(s) per week. 

Which barrier to entry results in the creation of a natural monopoly?

a. Legal barriers like government franchises. b. Economies of scale. c. Ownership of a vital resource. d. Patents and copyrights.

If the price of pesos in dollars is $0.10,

A. the price of dollars in pesos is 10. B. the price of dollars in pesos is 1. C. the price of dollars in pesos is 1/10. D. the price of dollars in pesos cannot be determined.