A housecleaning company receives $25 for each house cleaned. The table below gives the relation between the number of workers and the number of houses that can be cleaned per week. 
Based on the above info, the marginal revenue from the fourth worker is
A. $ 30.
B. $6.
C. $750
D. $150.
E. none of the above
Answer: D
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In the above figure, the economy is at point A when changes occur. If the new equilibrium has a price level of 120 and real GDP of $15.0 trillion, then it must be the case that
A) aggregate demand has increased. B) aggregate demand has decreased. C) aggregate supply has decreased. D) aggregate supply has increased.
The above figure shows four different markets with changes in either the supply curve or the demand curve. Which graph best illustrates the market for coffee after severe weather destroys a large portion of the coffee crop?
A) Graph A B) Graph B C) Graph C D) Graph D
Which nation listed below is successfully transitioning from a planned economy to a hybrid market economy?
a. People's Republic of China. b. Japan. c. United Kingdom. d. United States.
Labor markets are generally perfectly competitive markets
a. True b. False Indicate whether the statement is true or false