Please show me how to calculate operating cash flow to current maturities of debt ratio , operating cash flow to total debt ratio, operating cash flow per share ratio and operating cash flow to cash dividends ratio

Fiscal Years Endied January 31 Amounts in miions) Cash flows from operating activities: 2017 Consolidated net income Income from discontinued operations, net of income taxes Income from continuing operations Adjustments to reconcile Income from continuing operations to net cash 14293 15080 $17099 142935,00 16814 provided by operating activities Depreciation and Deferred income taxes 10,080 9454 Other operating activities Changes in certain assets and labilities, net of efflects of acquisitions Receivables, net (19) Accounts payable Accrued liabilities 1,137 Accrued income taxes Net cash provided by operating activities 1,530 2389 28564 Cash flows from investing activities Payments for property and equipment Proceeds from the disposal of property and equipment Proceeds ftrom the disposal of certain operations Purchase of available for sale securities Investment and business acquisitions, net of cash acquired Otther investing actvities 10,619) (11,47 (12,174 1,901) 2,463) Not cash used in investing activities (1396 (10675) (11,125) Cash lows from financing activities: Net change in short term borrowings Proceeds from issuance of long-term debt Payments of long-torm debt Dividends paid Purchase of Company stock Dividends paid to noncontrolling interest Purchase of noncontrolling interest 5,174 2,055)4432)B.904) 90 0.3200844 5133 Other inancing activities Net cash used in tinancing activities Effect of exchange rates on cash and cash equivalents Net increase (decrease) in cash and cash equvalents 18,92916 122 5,071) 514 1854 452) ,022 1,838) 430 Cash and cash equivalents at beginning of yea Cash and cash equivalents at end of year Supplemental discdosure of cash flow information s 6867 8705 $9.135 Income taes pard interest paid 8111 8169 2413 2,351