收入                                     $    4,104   $        3,091
销售成本                                   (3,058)          (2,242)
                                               -----------  ---------------
    毛利润                                1,046              849

综合行政管理费用               (99)             (79)
利息费用                                   (435)            (424)
利息收入                                  117              101