發送短信 : Analysis of industry profitability, and weighted ratios to firm's profitability

  ______    ______  __    __     ___     _    _   
 /_   _//  /_   _// \ \\ / //   / _ \\  | || | || 
   | ||     -| ||-   \ \/ //   / //\ \\ | || | || 
  _| ||     _| ||_    \  //   |  ___  ||| \\_/ || 
 /__//     /_____//    \//    |_||  |_|| \____//  
 `--`      `-----`      `     `-`   `-`   `---`