id,item_id,store_id,base_price,delivery_price,effective_date 28771,28203,6,1690,1740,2024-07-28 28772,28204,6,850,900,2024-07-28 28773,28205,6,850,900,2024-07-28 28774,28206,6,720,770,2024-07-28 28775,28207,6,720,770,2024-07-28