They knew the signs were true and still refused.
Musa sent to Firaun and his chiefs
After Nuh, Hud, Salih, Lut and Shuayb, Allah sent Musa with clear signs to Firaun, the ruler of Egypt, and his chiefs. They rejected them out of injustice and stubbornness. Ibn Kathir cites another verse: they denied the signs though they were convinced of them inside. See how the corrupters ended.
You know your partner is right about the money. You can see it in the numbers. But admitting it feels like losing. Pride can make you argue against what you already know.
I would accept the truth if it were clear enough.
Sometimes the truth is clear, and only my pride stands in the way.
Admit you were wrong about one small thing today, out loud, to the person concerned.