Phone  Exercise BookCost   Sex
      90       0      404     Male  
      60      60      400     Male  
      10     240      150     Male  
     180     150      400     Female
      25     120      500     Male  
      30     240      250     Male  
     420     450      320     Female
     120      30      300     Male  
     150     360      343     Male  
     500       0      250     Female
     120      30      150     Male  
     300     120      250     Female
     120     200      340     Female
     240     240      320     Female
     600     360      139     Male  
      90     300       50     Male  
      60     300      500     Male  
     600      70      280     Female
      90      10      285     Female
      30       0      385     Male  
     120     160      200     Female
      60      60      300     Female
     150      90      320     Male  
     300       0      400     Male  
      90      45      150     Female
       0     200      350     Female
      45     240      300     Male  
     180     240      287     Female
      30      30      300     Male  
      30     480      300     Male  
      75     480      250     Female
      60     120      227     Male  
     120     120      350     Female
     420       0      150     Female
      45     120      400     Female
     180       0      160     Male  
     360     600      300     Male  
      60     240      175     Male  
       6     300      280     Female
      25      90      175     Male  
     200     120      365     Female
      30     360      180     Male  
     390       0      370     Female
     120     100      500     Female
      60      30      279     Male  
      60     300      220     Male  
      60     300      210     Female
      40       0      300     Female
      20      90      290     Male  
       5      60      280     Male  
      70     200      425     Male  
     500      60      200     Female
     200       0      200     Female
      70      60      135     Female
      30     300      145     Female
     120    1440      250     Male  
       3       2      200     Female
      60     300       80     Male  
      60      60      200     Male  
     122     360        0     Male  
      30       0      325     Female
     200     200      110     Male  
      30       2      200     Male  
      70       0      300     Female
      90     240      450     Male  
     120     500      250     Female
     180     180      160     Female
     100      90      340     Female
      15      60      275     Male  
      45       0      150     Female
      20       0      540     Male  
     180     120      500     Female
     300     300      350     Male  
      35      14      197     Male  
     120     120      220     Female