$2.29 for 1 pound, $2.29*3.2 for 3.2 pounds=$7.328 (actual cost), rounded to nearest cent=$7.33 (the practical answer because of the rounding).
For your table:
Apples: actual $7.328, practical $7.33
Pears: actual $7.749, practical $7.75
Bananas: actual $4.361, practical $4.36
Strawberries: actual $6.877, practical $6.88