      DIMENSION X(50),Y(50),SALES(12),TXT(7)
      DATA SALES/20,30,32,40,50,90,95,90,40,30,20,15/
      DATA TXT/'AIR CONDITIONER SALES EACH MONTH OF 1972 '/
      CALL PLOTS(0.006,0)
      CALL XYPLOT(1,1,-3)
      DO 5 J=1,12
      I=(J-1)*4+1
      Y(I)=0
      Y(I+1)=SALES(J)
      Y(I+2)=SALES(J)
5     Y(I+3)=0
      Y(49)=0
      Y(50)=10
      DO 10 I=1,48,4
      X(I)=I/4+1.25
      X(I+1)=X(I)
      X(I+2)=I/4+0.75
10    X(I+3)=X(I+2)
      X(49)=0
      X(50)=1.
      CALL AXIS(0,0,'MONTH',-5,13,0,0,1)
      CALL AXIS(0,0,'AIR CONDITIONERS (X100)',23,10,90,0,10)
      CALL LINE(X,Y,48,1,0,0)
      CALL SYMBOL(1,10.5,.25,TXT,0,40)
      CALL XYPLOT(12,0,3)
      CALL PLEXIT
      END
                                    