Clothing (units per R month) B C U2 C2 Budget Line S Total Effect O Food ◆Substitution T (units per month) Income Effect Upward-Sloping Demand Curve:The Giffen GoodClothing (units per month) Food (units per month) Upward-Sloping Demand Curve: The Giffen Good Budget Line U1 U2 C2 R B A D F1 S E C1 F2 T Substitution Income Effect Total Effect O