Question: Suppose we want to use 2010 as the base year instead of 2009. Using 2010 as a base, how much is real GDP in 2005 (use two decimals)? What formula allows me to go back in years? To go forward it's Base year*(1+%) on exce. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.