Tell us about an invoice discrepancy that you discovered and how you resolved the discrepancy?

During a routine review of invoices, I noticed that one invoice from a supplier reflected charges for services not rendered, totaling $1,500. I promptly reached out to the supplier, providing them with the purchase order and delivery confirmation documents. After discussing the issue, they acknowledged the error and issued a corrected invoice. This resolution not only rectified the discrepancy but also reinforced our communication with the supplier, ensuring better accuracy in future transactions.