Task: Question Answering
Input (English): Problem: a certain pair of used shoes can be repaired for $ 14.50 and will last for 1 year . a pair of the same kind of shoes can be purchased new for $ 32.00 and will last for 2 years . the average cost per year of the new shoes is what percent greater than the cost of repairing the used shoes ? 
Options: a ) 16 , b ) 10.34 , c ) 12.46 , d ) 11.2 , e ) 14
Output (English): b