Antonia is building a new mailbox for her house and needs to find certain measurements.Measurement 1 the area of the mailbox doorMeasurement 2 the length of the mailboxMeasurement 3 the height of the post holding the mailboxMeasurement 4 the volume of the mailboxWhich measurement(s) could have the unit in.??O Measurement 1 onlyoMeasurement 2 onlyMeasurements 1 and 4Measurements 2 and 3