id,item_id,store_id,base_price,delivery_price,effective_date 31799,31231,7,1690,1740,2024-10-06 31800,31232,7,1690,1740,2024-10-06 31801,31233,7,580,630,2024-10-06 31802,31234,7,780,830,2024-10-06