4.1.2 Income Change Income-Consumption Curve 3 Food 16 (a) (units per month) E $1.0 Demand Curve (b 4 10 :16 Food Effect of Income Changes (units per month) 4.1.2 Income Change Clothing (units per month ) Food (units per month) 5 Effect of Income Changes Food (units per month) 10 16 7 3 4 10 16 (a) (b) ＄1.0 Demand Curve Income-Consumption Curve U2 U3 U1 4 E G H A B D D1 D2 D3 Price of Food