Consider the following table from Unit 7 of the textbook. It shows the spending per week in each category of a US consumer whose total expenditure on food is $80, with typical spending patterns across food categories.

Category Type 15 17 28 29 30 31 Calories per serving Fruit and 6 6 0 vegetables Fruit and 1 40 vegetables Grain, 1 ,5 40 pasta, bread Grain, 9 6 0 pasta, bread Snacks, 43 3 candy Snacks, 1 ,7 2 7 candy Milk 2, 05 2 Milk 8 7 4 Price per Typical spending 100 g (s) 0.38 0.36 0.38 0.53 1.13 0.68 0.09 0.15 per week (3) 2.00 3.44 2.96 2.64 4.88 7.60 2.32 1.44 Price elasticity of demand 1 . 1 28 0.8 3 0 0.845 0.292 0.270 0.295 1.793 1.972