Which of the following are true statements about the Oaxaca decomposition: Statement C: the unexplained part of the decomposition gives a perfectly accurate quantification of discrimination Statement A: the unexplained portion of the decomposition typically consists of differences in slopes across groups (multiplied by a group mean in independent variable) Statement B: explained portion of the decomposition typically consists of differences in Xs or observed variables across groups (multiplied by some slope parameter) None of the statements are true Statements A and B are both true.