This is from the handy dandy Game Manual located on the left of your screen. (:
Promotion into DIV I: $ 1 000 000
Promotion into DIV II: $ 500 000
Promotion into DIV III: $ 300 000
Promotion into DIV IV: $ 200 000
Promotion into DIV V: $ 150 000
Promotion into any lower division: $ 150 000