northwest fur company started 2024 with $94,000 of inventory on hand. during 2024, $400,000 in inventory was purchased on account with credit terms of 1/15, n/45. all discounts were taken. purchases were all made f.o.b. shipping point. northwest paid freight charges of $7,500. inventory with an invoice amount of $5,000 was returned for credit. cost of goods sold for the year was $380,000. northwest uses a perpetual inventory system. what is ending inventory assuming northwest uses the gross method to record purchases?