On Pine Branch Department​ Stores' most recent balance​ sheet, the balance of its inventory at the beginning of the year was $ 18000. At the end of the​ year, the inventory balance was $ 21500. During that​ year, its cost of goods sold was $ 61000. All purchases of inventory throughout the year were on account. What was the total of Pine Branch's purchases during the​ year? Pine Branch's total purchases during the year were $