Examine the second FRED graph. In order to accurately compare the growth rates of alcohol retail sales and their produce and consumer prices the data must be Examine the second FRED graph. In order to accurately compare the growth rates of alcohol retail sales and their produce and consumer prices the data must be adjusted for the impact of economic recessions. adjusted for the impact consumer-price inflation. transformed into an index with a value of 100 for the base date. transformed into a year-to-year percent growth rate