Anita consumes both pizza and Pepsi. The following tables show the amount of utility she obtains from different amounts of these two goods:

Pizza:

Quantity Utility

4 Slices 115

5 slices 135

6 slices 154

7 slices 171

Pepsi:

Quantity Utility

5 cans 63

6 cans 75

7 cans 86

8 cans 96

Suppose Pepsi costs $0.50 per can, pizza costs $1 per slice, and Anita has $9 to spend on food and drink. What combination of pizza and Pepsi will maximize her utility?