Concept:Cost of goods sold is the total cost spent to make an item ready for sale, including the buying price and all additional expenses such as repairs.Explanation:Ojo bought the bicycle for #20,000.He spent #5,000 on repairs to make it ready for sale.So, both the purchase price and the repair cost are part of the cost of goods sold.Cost of goods sold =#20,000+#5,000=#25,000.The selling price of #30,000 is not a cost; it is the revenue received.Therefore, the cost of goods sold is #25,000.Answer:B. #25,000