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["销售利润率"]
["项目","第一季度","第二季度","第三季度","第四季度"]
["家电类",0.17799999999999999,0.192,0.182,0.187]
["百货类",0.20499999999999999,0.19800000000000001,0.19700000000000001,0.20200000000000001]