The tаble belоw shоws dаtа fоr the Consumer Price Index (CPI) for the United States. The base year is the period 1982-84. CPI data Year CPI 2000 150 2001 171 2002 180 2003 182 2004 177 2005 174 2006 170 Suppose nominal wages remain unchanged over the seven-year period in the table. From 2005 to 2006, the economy saw [direction] prices and a(n) [purchp] in purchasing power. This is due to [result].