Task: Question Answering
Input (English): Problem: a store reduced the price of all items in the store by 15 % on the first day and by another 10 % on the second day . the price of items on the second day was what percent of the price before the first reduction took place ? 
Options: a ) 76.5 , b ) 80.9 , c ) 81.0 , d ) 81.1 , e ) 81.9
Output (English): a