Concept:Partnership profits are shared in proportion to each partner's capital contribution.Explanation:The capital ratio is Ata : Bubu : Chikum =3:2:1.Total ratio parts =3+2+1=6.Bubu's share of profit is Total capitalBubu’s capital×Net profit.So, Bubu's fraction =62=31.Net profit =N121,500.Bubu's share =31×N121,500=N40,500.This matches option B.Answer:B. N40,500