Concept:Compute the profit remaining after salaries and interest on capital, then share it in the profit-sharing ratio.Explanation:Net profit =N80,000Total salaries =10,000+15,000=N25,000Interest on capital: N40,000×5%=N2,000 and N70,000×5%=N3,500Total interest on capital =2,000+3,500=N5,500Residual profit =80,000−25,000−5,500=N49,500Osinbajo’s share =60%×49,500=N29,700Drawings are not deducted when calculating profit share.Answer:N29,700, Option D.