Task: Question Answering
Input (English): Problem: the price of commodity p increases by 40 paise every year , while the price of commodity q increases by 15 paise every year . if in 2001 , the price of commodity p was rs . 4.20 and that of q was rs . 6.30 , in which year commodity p will cost 40 paise more than the commodity q ? 
Options: a ) 2008 , b ) 2009 , c ) 2010 , d ) 2011 , e ) 2012
Output (English): d