Commodity2005200620072008200920102011
Filing cabinets, card-index cabinets, paper trays, paper rests, pen trays, ...$3,999,015$4,398,294$4,637,535$4,792,792$4,747,605$3,106,506$4,711,840
Total$3,999,015$4,398,294$4,637,535$4,792,792$4,747,605$3,106,506$4,711,840