To determine the discount allowed by Department A, the percentage of sales by Department A need to be calculated Dep A 250,000 Dep B 150,000400,000 % of Dep A = 250,000400000 X 100 = 62.5% ∴ Discount allowed in Dep A = 62.5100 x 250,000 = ₦ 9,375 = ₦ 9,375