Washington D.C.'s metro train system is being extended further ...

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Washington D.C.'s metro train system is being extended further into the neighboring states of Maryland and Virginia, thereby reducing the cost of commuting into the United States' capitol.
 
  Other things being held constant, this can be expected to: A) decrease the extent of the market for housing around Washington D.C.
  B) increase the extent of the market for housing around Washington D.C.
  C) have no effect on the extent of the market for housing around Washington D.C. as the actual geography remains unchanged.
  D) have no effect on the extent of the market for housing around Washington D.C. as the range of houses available has not changed.
  E) have no effect on the extent of the market for housing around Washington D.C. as property taxes have not changed.

Question 2

Refer to Scenario 5.1. The expected value of the undertaking,
 
  A) according to Sarah, is 75,000.
  B) according to Sarah, is 100,000.
  C) according to Sarah, is 110,000.
  D) according to Aline, is 200,000.
  E) according to Aline, is 100,000.

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Answer to Question 1

B

Answer to Question 2

E