If I had to pay $10k salary for a certain job previously, but I now have to pay $10k + $2k for the same job. Why would I not care about that? You were doing you

If I had to pay $10k salary for a certain job previously, but I now have to pay $10k + $2k for the same job. Why would I not care about that? You were doing your job perfectly well previously, why do you want more budget?