E-18 Debt to equity ratio and debt to asset ratio. Total assets.

Assets (dollars in millions) 2019 2018 Current assets Cash and cash equivalents $ 13,420 $ 19,355 Marketable securities 7,623 2,394 Accounts receivable trade - net 22, 120 20,872 Inventories 47,415 45,630 Prepaid expenses and other receivables 1,312 1,264 Total current assets 91,890 89,515 Property, plant, and equipment - net 67,045 65,762 Other assets 3,773 3,770 Total assets $162,708 $159,047 A E6-18. Solvency Analyses. The following items are from the financial statements of Tall Oak Company. Item 2019 2018 Total liabilities $450,000 $414,000 Total stockholders' equity 634,000 621,000 Net income 63,000 61,000 Tax expense 18,900 18,300 Interest expense 13,500 12,420 Interest paid 12, 100 13,660 Compute Tall Oak's debt-to-equity ratio and interest coverage ratio for 2018 and 2019. Comment o 2018 2019