,----------------------.
|     Bookkeeping      |
|----------------------|
|  % |maxprice|maxitems|
|----+--------+--------|
|  0 |  100000|    5   |
|  5 | 1095000|    9   |
| 10 | 2090000|   14   |
| 15 | 3085000|   19   |
| 20 | 4080000|   24   |
| 25 | 5075000|   28   |
| 30 | 6070000|   33   |
| 35 | 7065000|   38   |
| 40 | 8060000|   43   |
| 45 | 9055000|   47   |
| 50 |10050000|   52   |
| 55 |11045000|   57   |
| 60 |12040000|   62   |
| 65 |13035000|   66   |
| 70 |14030000|   71   |
| 75 |15025000|   76   |
| 80 |16020000|   81   |
| 85 |17015000|   85   |
| 90 |18010000|   90   |
| 95 |19005000|   95   |
|100 |20000000|  100   |
`----------------------'
max cash your booth can
 hold is maxprice * 10