IE 3-1 (Static) Based on Brief Exercise 3-10 Calculating ratios [LO3-8] The following is a December 31 post-closing trial balance for Carlberg Plumbing, Incorporated. Account Title Cash Accounts receivable Inventory Prepaid insurance Equipment Accumulated depreciation Patent (net) Accounts payable Interest payable Notes payable (due in 10 years) Common stock Retained earnings Totals Debits $ 51,000 Credits: 33,000 42,000 27,000 105,000 $ 54,000 42,000 30,000 3,000 66,000 60,000 87,000 $ 300,000 $ 300,000 Required: 1. Calculate the current ratio. 2. Calculate the acid-test ratio. 3. Calculate the debt to equity ratio. Navigation: 1. Use the Open Excel in New Tab button to launch this question. 2. When finished in Excel, use the Save and Return to Assignment button in the lower right to retu