ف َلِماذا لَمْ تُودِعْ مالِي فِي المَصْرِفِ، وَعِنْدَ رُجُوعِي كُنتُ آخُذُ مالِي مَعَ فائِدَةٍ؟
Then you ought to have put my money in the bank, and on my arrival I would have received my money back with interest.