This assignment requires a comprehensive financial analysis of Qantas Airways Limited. Students must calculate and interpret key financial ratios such as Return on Investment (ROI), Return on Equity (ROE), and Net Profit Margin to assess the company's performance. The analysis should highlight trends in these ratios over time, particularly focusing on the period from 2012 to 2017. The report should conclude with a recommendation for shareholders regarding investment in Qantas Airways based on the financial analysis.