diff --git a/src/plant_transaction_data/schema.py b/src/plant_transaction_data/schema.py
index 68f5e58..a16c1db 100644
--- a/src/plant_transaction_data/schema.py
+++ b/src/plant_transaction_data/schema.py
@@ -66,9 +66,10 @@ class PlantTransactionDataBase(DefaultBase):
     updated_at: Optional[datetime] = Field(None, nullable=True)
     created_by: Optional[str] = Field(None, nullable=True)
     updated_by: Optional[str] = Field(None, nullable=True)
+    cost_disposal_cost: Optional[float] = Field(None, nullable=True, ge=0, le=1_000_000_000_000_000)
 
 
-class PlantTransactionChart(DefaultBase):
+class PlantTransactionChart(PlantTransactionDataBase):
     tahun: Optional[int] = Field(None, nullable=True, ge=0, le=9999)
     is_actual: Optional[int] = Field(None, nullable=True, ge=0, le=1)
     seq: Optional[int] = Field(None, nullable=True, ge=0, le=9999)