## Zoho Inventory Documentation Index Access the complete documentation index at: https://www.zoho.com/us/inventory/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # How do I know which vendor I am spending the most with? Use the **Purchase Orders by Vendor** report (Payables category). It shows the total purchase order value per vendor for a selected period — sort by amount to see your highest-spend suppliers immediately. For actual payments made, use the **Payments Made** report (Payables category) to see real cash outflows per vendor. Learn more about [Payables Reports](/inventory/help/reports/payables-reports.html#purchase-orders-by-vendor).