joint ventures please help !!

mr . a supplied goods woth rs 60000 and incurred expenses rs 6000 .... mr . b also supplied goods worth 16000 and incurred expenses rs 3000 .. he effected the sale of goods on behalf of joint venture and realized rs 120000 .. he is also entittled to a commission of 5 pc on sales ... what is the final settlement to be paid by mr .b to mr .a

i am not getting a correct answer for that ...

one more doubt is the commission which isearned by b .. while preparing joint ventures account with co-venture .. in the books of mr . b it should be shown in credit side ryt ??

thanks in advance