HALLBROOK INDUSTRIES, INC. Balance Sheet December 31, 2021 ($ in thousands) Assets Cash Short-term investments Accounts receivable Inventory Property, plant, and equipment (net) Total assets Liabilities and Shareholders' Equity Current liabilities Long-term liabilities Paid-in capital Retained earnings Total liabilities and shareholders' equity 340 290 340 330 2,400 $ 3,700 540 490 1,450 1,220 $ 3,700 The company's 2021 income statement reported the following amounts ($ in thousands): Net sales Interest expense Income tax expense Net income $6,000 50 130 300 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.)