A clothing retailer buys winter coats from one of its suppliers for $67.50. The regular selling price of the coats includes operational expenses of 46% of the selling price and a profit of 30% of the selling price. Due to an unexpected warm winters, the sales have been extremely slow. With spring products arriving in the warehouse, the retailer decides to mark down this line of coats by 70% to clear out the inventory. What is the operating profit or loss on the coats sold during the promotional sale?