Greed and material incentives

فَلَمَّا جَآءَ ٱلسَّحَرَةُ قَالُوا۟ لِفِرْعَوْنَ أَئِنَّ لَنَا لَأَجْرًا إِن كُنَّا نَحْنُ ٱلْغَـٰلِبِينَ

And when the magicians arrived, they said to Pharaoh, "Is there indeed for us a reward if we are the predominant?"