Assume that apples cost $0.60 in 2002 and $1 in 2009, whereas oranges cost $1 in 2002 and $0.70 in 2009. If the household consumption bundle included 10 apples and 5 oranges in 2002 and 5 apples and 10 oranges in 2009, then the CPI for 2002 using 2009 as the base year is A. 12.1 B. 13.0 C. 13.5 D. None of the above