Of (1) the unemployment rate, (2) the employment-to-population ratio, and (3) the labor force participation rate, which of the three is (are) unaffected when, all else equal, certain unemployed persons in the labor force become discouraged workers? 0 Only the unemployment rate 0 Both the unemployment rate and the employment-to-population ratio CD Only the employment-to-population ratio 0 Only the labor force participation rate