Clothing (units per. month) R B 分-心 C2 Total Effect Budget Line 0 Food T (units per month) Substitution Income Effect Effect Income and Substitution Effects:inferior Good Clothing (units per month) Food (units per month) Income and Substitution Effects: inferior Good Budget Line U1 U2 C2 R A B D F1 E S C1 F2 T Substitution Effect Income Effect Total Effect O