Mark all the true statements about CMOs: In a sequential pay CMO, the tranche that gets paid off first is considered the safest

In a sequential pay CMO, the tranche that gets paid last assumes the least default risk

CMO can have several classes (tranches) of securities backed by the same pool of mortgages

CMO can be agency or non-agency MBS

In a sequential pay CMO with just an A and B tranches, all tranches get principal payments in the first month