What effect does AASB 16 have on Qantas and Virgin Australia's income statement, balance sheet and cash flow statement? What does it mean for users of Qantas and Virgin Australia's financial statements?

(Note: Compare and discuss relevant ratios where applicable. Use 2017 Annual Report for both Qantas and Virgin Australia for comparison. Attach as Appendix 1 extract from the financial statements that you have used. Compare and discuss ratios in the body of your discussion and attach your ratio calculations including any formula for both companies in appendix 2. Note generally financial reports gets released in September so 2018 report may become available)