DAY      COST     
    1       26.3   
    2       21.8   
    3       19.5   
    4       17.9   
    5       15.4   
    6       13.9   
    7       14.5   
    8       17.1   
    9       16.8   
    10      14.5   
    11      14.5   
    12      13.5   
    13      14.2   
    14      15.1   
    15      13.9   
    16      13.8   
    17      11.7   
    18      10.6   
    19      13.5   
    20      9.7    
    21      11.0   
    22      10.8   
    23      11.3   
    24      9.8    
    25      13.3   
    26      12.2   
    27      10.8   
    28      12.1   
    29      11.6   
    30      9.7    
    31      11.7   
    32      10.4   
    33      10.6   
    34      11.0   
    35      9.9    
    36      9.4    
    37      7.9    
    38      8.2    
    39      8.5    
    40      7.4    
    41      8.2    
    42      8.6    
    43      8.1    
    44      9.7    
    45      7.9