“So the dishonest manager hatched his scheme. He went to everyone who owed his master money, one by one, and asked them, ‘How much do you owe my master?’
But when harvest comes, you must pay one-fifth to Pharaoh, and you may keep the rest for planting your fields and for food for yourselves and your families to nourish your household and your little ones.”
Thus, Joseph established the law of the land in Egypt, which is still in effect, “A fifth will go to Pharaoh.” Only the land of the priests did not become Pharaoh’s.