Astro Languet established Languet Products Co. as a sole proprietorship on January 5, 2023. At the company's year end of December 31, 2023, the accounts had the following balances (in thousands): Current assets, excluding inventory $10 Other assets 107 Current liabilities 30 Long-term bank loan 50 Owner's investment (excluding income) 40 Purchases during year Jan. 2: 5,000 @ $11 55.00 June 30: 8,000 @ $12 96.00 Dec. 10: 6,000 @ $16 96.00 247.00 Sales 284.00 Other expenses 40.00 A count of ending inventory on December 31, 2023, showed there were 4,000 units on hand. Astro is now preparing financial statements for the year. He is aware that inventory may be costed using the FIFO or weighted average cost formula. He is unsure of which one to use and asks for your assistance. In discussions with Astro, you learn the following: 1. 2. Suppliers to Languet Products provide goods at regular prices as long as Languet Products' current ratio is at least 2 to 1. If this ratio is lower, the suppliers increase their price by 10% to compensate for what they consider to be a substantial credit risk. The terms of the long-term bank loan include the bank's ability to demand immediate repayment of the loan if the debt to total assets ratio is greater than 45%.