(c) 試問無謂損失(deadweight loss)為何？(5分) 3. The XYZ country has produced the following quantity of books and pens, with the price of each listed in dollar terms. (20分) 2011 Year 2012 Year Quantity Price Quantity Price Books 10 $30 8 $50 Pens 20 $1 15 $2 Taken 2011 as the base year, compute the 2012 statistics for nominal gross domestic product (GDP), real GDP, GDP deflator and consumer price index (CPI), respectively.