Average per capita water consumption in the United States was approximately how many gallons per day in 2005?

The value at which one currency can be exchanged for another currency is called the real exchange rate

Indicate whether the statement is true or false

Suppose the market for oranges is perfectly competitive and unregulated. Suppose also that the chemicals used to keep the oranges insect-free damage the environment by an estimated $1 per bushel of oranges. Suppose QD = 1000 - 100P and QS = -100 + 100P. The price consumers would have to pay for the market to achieve the socially optimal level of production is

a. 5 b. 5.5 c. 6 d. 6.5