营业利润率 144.30% 42.95% 9.16% 7.73% 17.87% 24.62% 33.07% 35.89% 38.14% 一销售收入 固定成本 总成本 8 9 10营业利润率 -144.30% -42.95% -9.16% 7.73% 17.87% 24.62% 29.45% 33.07% 35.89% 38.14%