％10_90获利线:COST(10),COLOR00FF00,LINETHICK3;
COST(20),COLORAA00AA;
COST(30),COLORAA00AA;
COST(40),COLORAA00AA;
平均成本线:COST(50),COLORYELLOW,LINETHICK2;
COST(60),COLORAA00AA;
COST(70),COLORAA00AA;
COST(80),COLORAA00AA;