[{"sale_price":108,"disc":"42","prod_count":1,"sale_month":"202008","avg_price":108,"avg_disc":42},{"sale_price":319,"disc":123,"prod_count":3,"sale_month":"202009","avg_price":106,"avg_disc":41},{"sale_price":78,"disc":"30","prod_count":1,"sale_month":"202010","avg_price":78,"avg_disc":30},{"sale_price":110,"disc":"42","prod_count":1,"sale_month":"202011","avg_price":110,"avg_disc":42},{"sale_price":135,"disc":"52","prod_count":1,"sale_month":"202012","avg_price":135,"avg_disc":52}]
最近成交價(折扣)