SRL for [sagged]: Aerospace earnings [sagged] 37 % for the quarter and 15 % for the year , largely due to lower B-1B program profit ; the last of the bombers rolled out in April 1988 .
ARG-1: Aerospace earnings | ARG-2: 37 % for the quarter and 15 % for the year | ARG-M-CAU: largely due to lower B-1B program profit