Coal-fired steam locomotives become more efficient for railroads relative to oil-burning diesel locomotives as
A) the price of coal increases.
B) the price of oil increases.
C) coal-fired steam locomotives become larger.
D) railroad freight rates increase.
B
Economics
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The one disadvantage of paper money is that it is easier to
a. duplicate and counterfeit. b. carry. c. divide. d. store and use at a later time.
Economics
Suppose the cost of flying a 200-seat plane for an airline is $100,000 and there are 10 empty seats on a flight. The airline should sell a ticket to a standby passenger only if the passenger is willing to pay
a. more than $200. b. more than $300. c. more than $500. d. This cannot be determined from the information given.
Economics