The code or parameters for the chart are:

TITLECHART=Curves
LEGEND=TRUE
XLABEL=Month
YLABEL=Million $
XAXIS_LABELS=June|July|Aug.|Sept.|Oct.|Nov.|Dec.
SERIE_1=Cubic Curve
SERIE_2=Least Squares
SERIE_3=B-SPLine
SERIE_FONT_1=Default-2|8
SERIE_FONT_2=Default-2|8
SERIE_FONT_3=Default-2|8
SERIE_COLOR_1=RED
SERIE_COLOR_2=BLUE
SERIE_COLOR_3=GRAY
SERIE_POINT_COLOR_1=RED
SERIE_POINT_COLOR_2=BLUE
SERIE_POINT_COLOR_3=GRAY
SERIE_POINT_1=true
SERIE_POINT_2=true
SERIE_POINT_3=true
SERIE_STYLE_1=0.2|RED|LINE
SERIE_STYLE_2=2|GREEN|DASHED
SERIE_STYLE_3=0.2|GRAY|LINE
SERIE_FILL_3=YELLOW|0.5
SERIE_DATA_1=12|43|50|45|30|32|42
SERIE_DATA_2=20|41|48|39|36|34|50
SERIE_DATA_3=0|21|28|19|16|14|20
SERIE_TYPE_1=CURVE
SERIE_TYPE_2=LINE_LEAST_SQUARES
SERIE_TYPE_3=B-SPLINES
CHART_BORDER=0.2|BLACK|LINE
BIG_TICK_INTERVALX=1
BIG_TICK_INTERVALY=10
YSCALE_MIN=0
LEGEND_BORDER=0.2|BLACK|LINE
LEGEND_FILL=WHITE
XAXIS_GRID=0.2|WHITE|DASHED
YAXIS_GRID=0.2|WHITE|DASHED
XAXIS_TICKATBASE=true
CHART_FILL=AZURE