diff --git a/sysdata/csv/csv_spread_costs.py b/sysdata/csv/csv_spread_costs.py
index a2b4a3c46b..047de14b8c 100644
--- a/sysdata/csv/csv_spread_costs.py
+++ b/sysdata/csv/csv_spread_costs.py
@@ -72,7 +72,7 @@ def get_commissions_as_series(self) -> pd.Series:
 
         try:
             spread_cost_data.index = spread_cost_data[INSTRUMENT_COLUMN_NAME]
-            spread_cost_series = spread_cost_data[]
+            spread_cost_series = spread_cost_data[SPREAD_COST_COLUMN_NAME]
 
         except BaseException:
             raise Exception("Badly configured file %s" % (self._config_file))
diff --git a/sysproduction/data/broker.py b/sysproduction/data/broker.py
index 937120122a..0b56c17de8 100644
--- a/sysproduction/data/broker.py
+++ b/sysproduction/data/broker.py
@@ -102,13 +102,6 @@ def broker_futures_contract_commission(self) -> brokerFuturesContractCommissionD
     def diag_controls(self) -> diagControlProcess:
         return self._diag_controls
 
-    def get_commission_for_contract_in_base(self, contract: futuresContract) -> float:
-        currency_data = dataCurrency(self.data)
-        ccy_value =  self.broker_futures_contract_commission.get_commission_for_contract(contract)
-        base_value = currency_data.currency_value_in_base(ccy_value)
-        
-        return base_value
-
     ## Methods
     def get_commission_for_contract(self, contract: futuresContract) -> currencyValue:
 
diff --git a/sysproduction/reporting/data/commissions.py b/sysproduction/reporting/data/commissions.py
index 6792a1e314..2cf8995992 100644
--- a/sysproduction/reporting/data/commissions.py
+++ b/sysproduction/reporting/data/commissions.py
@@ -11,7 +11,7 @@
 
 def df_of_configure_and_broker_block_cost_with_ratio_sorted(data: dataBlob) -> pd.DataFrame:
     df = df_of_configure_and_broker_block_cost(data)
-    ratio = df[BROKER_COLUMN] / df[CONFIGURED_COLUMN]
+    diff = df[BROKER_COLUMN] - df[CONFIGURED_COLUMN]
     df[RATIO_COLUMN] = ratio
 
     df.sort_values(by=RATIO_COLUMN)