[{"sale_price":160,"disc":"42","prod_count":1,"sale_month":"202505","avg_price":160,"avg_disc":42},{"sale_price":442,"disc":117,"prod_count":2,"sale_month":"202506","avg_price":221,"avg_disc":59},{"sale_price":401,"disc":105,"prod_count":2,"sale_month":"202507","avg_price":200,"avg_disc":53},{"sale_price":180,"disc":"47","prod_count":1,"sale_month":"202508","avg_price":180,"avg_disc":47}]
最近成交價(折扣)