Subject: mathqa
Question: the price of commodity x increases by 45 cents every year , while the price of commodity y increases by 20 cents every year . in 2001 , the price of commodity x was $ 5.20 and the price of commodity y was $ 7.30 . in which year will the price of commodity x be 10 cents less than the price of commodity y ?
Option: 
A: 2010
B: 2012
C: 2008
D: 2009
Answer: D