FINANCIAL STATEMENTS $2$XX$1$ AND $2$XX$0$

$\backslash$table$[[\backslash$table$[[($preliminary$)$ Balance Sheet$],[$Year ended $31$ December $2$xx$1]],\backslash$table$[[2$xx$1],[$ thou.$]],\backslash$table$[[2x0.$ Calculate profit margin, return on assets, return on equitY. Calculate share of fuel cost in total cost, share of aircraft lease in total cost