Yahoo UK talks the Royal Family's money with royal finance expert David McClure

As one of the wealthiest families in the country, the Royal Family has a huge fortune. But where exactly does their money come from - and how is it spent? Royal finance expert, and author of 'Royal Legacy: How The Royal Family Have Made, Spent And Passed On Their Wealth', lifts the lid on the monarchy's spending habits, property portfolio and exactly what the British tax payer does - and doesn't - pay for in this exclusive interview with Yahoo UK's 'The Royal Box'.