A package insert lists a drug dose for a neonate as being 10- microgram/kg/day. The age range for a neonate is considered to be

A package insert lists a drug dose for a neonate as being 10- microgram/kg/day. The age range for a neonate is considered to be:
a- Birth to 1 month***
b- 1 month to 6 months
c- Birth to 1 week
d- 1 year through 5 years.