Alex, Who Is Risk-Neutral, Is Looking for a One-Bedroom Apartment

Multiple Choice

Alex, who is risk-neutral, is looking for a one-bedroom apartment to rent for the month of August while he's on vacation in Seattle. All of the one-bedroom apartments in the neighborhood where he wants to stay are of equal quality, but 70 percent rent for $700 per month, 20 percent rent for $600 per month, and 10 percent rent for $500 per month. The first apartment Alex finds rents for $700 per month. If the cost to Alex of searching for an apartment is $30, then searching for another apartment is a gamble with an expected value of:

A) $0.
B) $10.
C) $20.
D) $40.