The Graph Below Shows the Value, in Dollars, of a Foreign

Multiple Choice

The graph below shows the value, in dollars, of a foreign currency t years after 2000. For what two dates between 2000 and 2020 would earn you the most money if you bought the foreign currency on the first date and sold on the second?
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A) Buy in 2002 and sell in 2008
B) Buy in 2008 and sell the same year
C) Buy in 2005 and sell in 2008
D) None of the above