The 2021 balance sheet for Hallbrook Industries, Inc., is shown below. Cash HALLBROOK INDUSTRIES, INC. Balance Sheet December 31, 2021 ($ in thousands) Short-term investments Accounts receivable Inventory Assets Property, plant, and equipment (net). Total assets Liabilities and Shareholders' Equity $ 270 220 270 340 1,700 $ 2,800 $ 470 420 1,100 810 Current liabilities. Long-term liabilities Paid-in capital Retained earnings Total liabilities and shareholders' equity $ 2,800 The company's 2021 income statement reported the following amounts ($ in thousands): Net sales Interest expense Net income $5,300 40 Income tax expense 170 230 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.)