Task: Question Answering
Input (English): Problem: marketing executives for a certain chewing gum company projected a 40 percent increase in revenue this year over that of last year , but revenue this year actually decreased by 30 % . what percent of the projected revenue was the actual revenue ? 
Options: a ) 50 % , b ) 58 % , c ) 62.5 % , d ) 64 % , e ) 75 %
Output (English): a