發送短信 : OPTIMAL PORTFOLIO SELECTION WITH TRANSACTION COSTS AND CAPITAL GAINS TAX

 _    _      ___      ______    _____    ______   
| \  / ||   / _ \\   /_   _//  |  ___|| |      \\ 
|  \/  ||  / //\ \\  `-| |,-   | ||__   |  --  // 
| .  . || |  ___  ||   | ||    | ||__   |  --  \\ 
|_|\/|_|| |_||  |_||   |_||    |_____|| |______// 
`-`  `-`  `-`   `-`    `-`'    `-----`  `------`