Task: Question Answering
Input (English): Problem: a survey of employers found that during 1993 employment costs rose 3.5 percent , where employment costs consist of salary costs and fringe - benefit costs . if salary costs rose 3 percent and fringe - benefit costs rose 4.5 percent during 1993 , then fringe - benefit costs represented what percent of employment costs at the beginning of 1993 ? 
Options: a ) 16.5 % , b ) 20 % , c ) 33 % , d ) 55 % , e ) 65 %
Output (English): c