{"example_only":true,"service":"wfs_storage_fee_verifier","note":"Illustrative output from synthetic product facts; paid results depend on supplied facts.","name":"WFS Monthly Storage Fee Charge Verifier","marketplace":"walmart_us","input_summary":{"report_type":"seller-supplied WFS storage-fee rows with unit volumes, rates, and reported charges","row_count":4,"amount_tolerance":0.02,"high_cost_threshold":500.0},"output":{"row_count":4,"total_reported_fee":1563.44,"total_recomputed_fee":1537.5,"total_fee_discrepancy":25.94,"net_overcharge_exposure":26.0,"mismatch_count":2,"high_cost_count":1,"month_summaries":[{"billing_month":"2026-06","row_count":1,"total_reported_fee":22.44,"total_recomputed_fee":22.5,"fee_discrepancy":-0.06,"overcharge_exposure":0.0,"mismatch_count":1},{"billing_month":"2026-07","row_count":3,"total_reported_fee":1541.0,"total_recomputed_fee":1515.0,"fee_discrepancy":26.0,"overcharge_exposure":26.0,"mismatch_count":1}],"rows_preview":[{"priority_rank":1,"sku":"NW-TOFU-CASE","billing_month":"2026-07","recomputed_billed_volume":200.0,"recomputed_storage_fee":150.0,"reported_storage_fee":176.0,"fee_discrepancy":26.0,"overcharge_amount":26.0,"volume_discrepancy":34.7,"has_mismatch":true,"high_cost":false,"status":"review_math"}],"publish_status":"draft_needs_review","safety":"Arithmetic on seller-supplied volumes, unit counts, storage and surcharge rates, and reported fees only. A mismatch is a difference between the seller's own numbers, not a finding that Walmart is wrong; no case is opened and no listing, price, inventory, or account is changed."}}