diff --git a/ml/billing_agent.py b/ml/billing_agent.py
index 8f9cf1d..660d4ea 100644
--- a/ml/billing_agent.py
+++ b/ml/billing_agent.py
@@ -1,7 +1,6 @@
 import os
 import datetime
 from google.cloud import bigquery
-from google.cloud import billing
 
 class BillingAgent:
     def __init__(self):
@@ -9,13 +8,11 @@ class BillingAgent:
         if not self.project_id:
             raise ValueError("GOOGLE_CLOUD_PROJECT environment variable not set.")
         
-        self.billing_account_id = os.environ.get("BILLING_ACCOUNT_ID")
-        if not self.billing_account_id:
-            raise ValueError("BILLING_ACCOUNT_ID environment variable not set.")
+        self.billing_table = os.environ.get("BILLING_TABLE")
+        if not self.billing_table:
+            raise ValueError("BILLING_TABLE environment variable not set.")
 
         self.bq_client = bigquery.Client(project=self.project_id)
-        self.billing_client = billing.CloudBillingClient()
-        self.billing_table = f"{self.project_id}.billing_export.gcp_billing_export_v1_*"
 
     def get_summary(self):
         """
@@ -29,6 +26,7 @@ class BillingAgent:
             WHERE _PARTITIONTIME >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
             GROUP BY 1
             ORDER BY total_cost DESC
+            LIMIT 10
         """
         query_job = self.bq_client.query(query)
         results = query_job.result()
@@ -88,24 +86,7 @@ class BillingAgent:
             "total_monthly_forecast": total_forecast,
         }
 
-    def get_credits(self):
-        """
-        Retrieves active billing credits.
-        """
-        billing_account_name = f"billingAccounts/{self.billing_account_id}"
-        billing_info = self.billing_client.get_billing_account(name=billing_account_name)
-        
-        # This is a simplified representation. The actual credit information might
-        # be structured differently. This is a placeholder for the structure.
-        return {
-            "billing_account_name": billing_info.name,
-            "display_name": billing_info.display_name,
-            "open": billing_info.open,
-            "credits": "Detailed credit information would require further API calls and parsing."
-        }
-
 if __name__ == '__main__':
     agent = BillingAgent()
     print("Summary:", agent.get_summary())
     print("Forecast:", agent.get_forecast())
-    print("Credits:", agent.get_credits())