This file defines the price of items in stores.
The first row indicates the players charimsa.
The second row indicates the percentage of the items base price to charge.
In BG1 TotS we have:

2DA V1.0
0
           1          2          3          4          5          6          7          8          9          10         11         12         13         14         15         16         17         18         19         20         21         22         23         24         25
1          0          0          0          0          0          0          0          0          0          0          0          0          0          0          0          -5         -10        -15        -20        -25        -25        -25        -25        -25        -25