23. What is the value of business investment as used to calculate GDP if the following is true? For the year, construction was $30 billion, the value of shares of stock traded was $90 billion; the value of corporate and gov was $60 billion. bonds was $60 billion; business inventories fell by $20 billion; business purchases of new machines and equipm 90, 204 , pad, add - 45 20, 2 04 , 248 , 848 2004 2005 Product Quantity Price Quantity Price Haircuts $15 $20 Hamburgers $12 24. Assume the base year for the above information is 2005, Calculate, real GDP for 2004. Real GDP 2004= ( 15 x4+ ( 7 *13) = 15 noninal 2006 = (4X20) + (13X12)=236 Real GDP 2006 = (4x15)+ (13x7)