The 2021 balance sheet for Hallbrook Industries, Inc., is shown below. HALLBROOK INDUSTRIES, INC. Balance Sheet December 31, 2021 ($ in thousands) Assets Cash $ 360 Short-term investments 310 Accounts receivable 360 Inventory 370 Property, plant, and equipment (net) 2,600 Total assets $ 4,000 Liabilities and Shareholders Equity Current liabilities $ 560 Long-term liabilities 510 Paid-in capital 1,550 Retained earnings 1,380 Total liabilities and shareholders equity $ 4,000 The companys 2021 income statement reported the following amounts ($ in thousands): Net sales $ 6,200 Interest expense 50 Income tax expense 150 Net income 320 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.)