A supplies 20 men who work for 8 hrs a day for 6 days. b supplies 15 men working at 9 hours a day for 7 days and C a supplies 10 men working 6 hours days to do a days for 8 certain lob. if Rs 636 is paid for all the labour, what is C's share ?

• A. Rs 102
• B. Rs 128
• C. Rs 136
• D. Rs 144