A．BECAusE it Costs lEss to sEnD trAvEllErs ChEquEs By insurED post thAn sEnD CAsh.
BECAusE thE rAtE For CAsh is BEttEr thAn thAt For trAvEllErs ChEquEs.
C．BECAusE it Costs morE to sEnD trAvEllErs ChEquEs By insurED post.
D．BECAusE it Costs morE to sEnD trAvEllErs ChEquEs By insurED post thAn sEnD CAsh.