Task: Question Answering
Input (English): Problem: if the price of a certain bond on may 1 st was 1 / 4 the price of the bond on june 1 st and the price of the bond on july 1 st was 25 % greater than the price of the bond on may 1 st . then the price of the bond on june 1 st st was what percent of the average ( arithmetic mean ) price of the bond on may 1 st and july 1 st ? 
Options: a ) 100 % , b ) 150 % , c ) 155 % , d ) 300 % , e ) 355 %
Output (English): e