{"example_only":true,"service":"fba_storage_fee_verifier","note":"Illustrative output from synthetic product facts; paid results depend on supplied facts.","name":"FBA Monthly Storage Fee Charge Verifier","marketplace":"amazon_us","input_summary":{"report_type":"seller-supplied FBA Monthly Storage Fees rows with reported fees","row_count":3,"amount_tolerance":0.02,"high_cost_threshold":500.0},"output":{"row_count":3,"total_reported_fee":1643.5,"total_recomputed_fee":1569.5,"total_fee_discrepancy":74.0,"net_overcharge_exposure":74.0,"mismatch_count":2,"high_cost_count":2,"rows_preview":[{"priority_rank":1,"asin":"B0NORTH002","month_of_charge":"2026-07","recomputed_total_item_volume":240.0,"recomputed_base_storage_fee":576.0,"recomputed_monthly_storage_fee":526.0,"reported_monthly_storage_fee":600.0,"total_fee_discrepancy":74.0,"overcharge_amount":74.0,"has_mismatch":true,"high_cost":true,"status":"review_math"}],"publish_status":"draft_needs_review","safety":"Arithmetic on seller-supplied volumes, storage rates, incentives, and reported fees only. A mismatch is a difference between the seller's own numbers, not a finding that Amazon is wrong; no case is opened and no listing, price, or account is changed."}}