- A manufacturer produced 10,000 units of a certain product at a cost of BDT 200 each. The product was sold to a distributor at a price of BDT 300 each, which was marked up by 25%. However, 6% of the products were returned and refunded at 50% of the purchase price. What was the manufacturer's approximate profit or loss as a percentage of its initial cost for the 10,000 units?