Task: Question Answering
Input (English): Problem: a , b and c , each working alone can complete a job in 6 , 8 and 12 days respectively . if all three of them work together to complete a job and earn $ 2500 , what will be c ' s share of the earnings ? 
Options: a ) $ 1200 , b ) $ 1005.8 , c ) $ 555.6 , d ) $ 1009.2 , e ) $ 1490.7
Output (English): c