Job rate

hey guys, i want to change the Job rate ( Thief and Trader ) max is 4* so atm its like 1.2/1.3B gold, and i would like to change to 3.5b each 4* Trade, also Thief its like 200m and i would like to change to 3b +/-

i have try some querys but i really dint understand it, cause i change just one number and 4* trade rate was like 800b lol

Thanks!