Northwest Fur Company started 2024 with $107,000 of inventory on hand. During 2024, $500,000 in inventory was purchased on account with credit terms of 1/15 , n45/45 . All discounts were taken. Purchases were all made f.o.b. shipping point. Northwest paid freight charges of $9,500. Inventory with an invoice amount of $4,500 was returned for credit. Cost of goods sold for the year was $361,000. Northwest uses a perpetual inventory system.

Assuming Northwest uses the gross method to record purchases, what is the cost of goods available for sale?