not sure how to calc free cash flow & ratio

SHAMROCK INC. BALANCE SHEET DECEMBER 31, 2019 Cash $ 23,080 Accounts payable $ 33,080 Accounts receivable 24,280 Bonds payable 44,080 32,000 Common stock 103,080 Investments Plant assets (net) 84,080 Retained earnings 26,280 Land 43,080 $ 206,520 $ 206,520 During 2020, the following occurred. 1. 2. 3. Shamrock liquidated its available-for-sale debt investment portfolio at a loss of $ 8,080. Atract of land was purchased for $ 41,080. An additional $ 30,000 in common stock was issued at par. Dividends totaling $ 13,080 were declared and paid to stockholders. Net income for 2020 was $ 38,080, including $ 15,080 in depreciation expense. Land was purchased through the issuance of $ 33,080 in additional bonds. 4. 5. 6. 7. At December 31, 2020, Cash was $ 73,280, Accounts Receivable was $ 45,080, and Accounts Payable was $ 43,080. (c) Compute Shamrock's free cash flow and current cash debt coverage for 2020. (Round current cash debt coverage to 2 decimal places, eg. 0.56. Show amounts that decrease cash flow with either a - signe.g.-15,000 or in parenthesis eg. (15,000).) Free cash flow $ Current cash debt coverage :1 Balance Sheet December 31, 2020 Assets Cash $ 73280 Accounts Receivable 45080 Plant Assets 69000 Land 117240 $ 304600 Liabilities and Stockholders' Equity Accounts Payable $ 43080 Bonds Payable 77160 Common Stock 133080 Retained Earnings 51280 $ 304600 SHAMROCK INC. Statement of Cash Flows For the Year Ended December 31, 2020 Cash Flows from Operating Activities Net Income $ 38080 Adjustments to reconcile net income to Net Cash Provided by Operating Activities A Increase in Accounts Receivable (20800) Increase in Accounts Payable 10000 Loss on Sale of Investments 8080 Depreciation Expense 15080 12360 Net Cash Provided by Operating Activities 50440 Cash Flows from Investing Activities Purchase of Land (41080) Sale of Investments 23920 Net Cash Used by Investing Activities (17160) Cash Flows from Financing Activities Issuance of Common Stock 30000 Payment of Cash Dividends (13080) Net Cash Provided by Financing Activities 16920 Net Increase in Cash 50200 Cash at Beginning of Year 23080 Cash at End of Year $ 73280