Find  the  "config.txt"  file in the main game directory and open
it. Here you can change the costs of all products.

     Furthermore,  by  finding  the following line, you can change the
amount  of  money you start with at respectively the easy, medium, and
hard difficulties :

startkapital(1) = 6000000 ;einfach
startkapital(2) = 4000000 ; mittel
startkapital(3) = 2000000 ; schwer