The nurse taught new parents the guidelines to follow regarding the bottle-feeding of their newborn. They will be using formula from a can of concentrate. The parents will demonstrate an understanding of the nurse's instructions if they do which action?

Wash the top of the can and can opener with soap and water before opening the can.

Add some honey to sweeten the formula and make it more appealing to a fussy newborn.

Adjust the amount of water added according to the weight gain pattern of the newborn.

Warm formula in a microwave oven for a couple of minutes before feeding.