what are the PK and FK$?$ The PROPERTY table in $3$NF is decomposed into two tables: PROPERTY$($PROPERTY$\_$ID$,$ OFFICE$\_$NUM, ADDRESS, SQR$\_$FT$,$ BDRMS$,$ FLOORS, MONTHLY$\_$RENT, OWNER$\_$NUM$)$ and OWNER$($OWNER$\_$NUM, LAST$\_$NAME, FIRST$\_$NAME$).$