The 2021 balance sheet for Hallbrook Industries, Inc., is shown below. HALLBROOK INDUSTRIES, INC. Balance Sheet December 31, 2021 ($ in thousands) Assets Cash $ 390 Short-term investments Accounts receivable Inventory Property, plant, and equipment (net) 340 398 380 2,900 Total assets $ 4,400 Liabilities and Shareholders' Equity Current liabilities $ 590 Long-term liabilities 540 Paid-in capital 1,700 Retained earnings 1,570 Total liabilities and shareholders' equity $ 4,400 The company's 2021 income statement reported the following amounts ($ In thousands): Net sales Interest expense $6,500 50 Income tax expense 180 Net income 350 Required: 1. Calculate the current ratio. (Round your answer to 2 decimal places.) 2. Calculate the acid-test ratio. (Round your answer to 3 decimal places.) 3. Calculate the debt to equity ratio (Round your answer to 2 decimal places.) 4. Calculate the times Interest earned ratio. (Round your answer to 1 decimal place.)