Task: Question Answering
Input (English): Problem: last year a worker saved 4 % of her annual salary . this year , she made 10 % more money than last year and she saved 5 % of her salary . the amount she saved this year was what percent of the amount she saved last year ? 
Options: a ) 137.5 % , b ) 142.5 % , c ) 147.5 % , d ) 152.5 % , e ) 157.5 %
Output (English): a