A nurse is reinforcing teaching with a mother who is bottle feeding her newborn with formula.Which of the following statements should the nurse include in the teaching?

Each feeding should last between 20 and 30 minutes.

Prepared formula can be stored in the refrigerator for up to 5 days.

Refrigerate formula from a feeding for up to 4 hours for reuse.

Wait until the end of the feeding to burp your baby.