The Westmoreland Corporation uses a periodic system for its inventory. The company starts the current year with inventory costing $$177,000.$ During the year, an additional $$387,000$ is paid for inventory purchases and $$17,000$ for transportation costs to get those items. A physical count at the end of the year finds $$145,000$ of ending inventory. How was each of these numbers derived? What is the company$$s cost of goods sold?