Contribute correction: 1987 belastingprogramma

            _____     _____    __   __  
  ____     |  ___||  / ____||  \ \\/ // 
 |    \\   | ||__   / //---`'   \ ` //  
 | [] ||   | ||__   \ \\___      | ||   
 |  __//   |_____||  \_____||    |_||   
 |_|`-`    `-----`    `----`     `-`'   
 `-`