Country A produces two goods, elephants and saddles. In the year 2006, the 10 units of elephants produced sold for $2,000 per unit and the 25 units of saddles produced sold for $200 per unit. In 2007, the 20 units of elephants produced sold for $3,000 per unit, and the 50 units of saddles produced sold for $300 per unit. Real GDP for 2007, assuming that 2006 is the base year, is