Ever wondered exactly how much money the young royals make to cover the cost of their official duties? On Tuesday, the palace shared its Annual Review, which summarizes the work, income, and expenses of Prince Charles and Camilla, Duchess of Cornwall. This year, his income from the Duchy of Cornwall, a huge estate established in the 14th century and given to the heir to the throne, totaled $31.1 million. Of those millions, $4.6 million went to the staff, travel, and official wardrobes for Prince William, Prince Harry, and Kate Middleton. Learn more facts about the royal family, including details on their royal traditions.