Commodity2005200620072008200920102011
Filing cabinets, card-index cabinets, paper trays, paper rests, pen trays, ...$540,605$827,638$1,172,486$1,565,472$689,078$747,637$605,347
Total$540,605$827,638$1,172,486$1,565,472$689,078$747,637$605,347