does pre MBA salary affect the salary offered in the placement? If so how?

like if pre MBA salary was just 3 lacs then will the placement company be consider this, and give lesser than if it was 5 lac? Please shed some light on this.

like if pre MBA salary was just 3 lacs then will the placement company be consider this, and give lesser than if it was 5 lac?
Please shed some light on this.