{"example_only":true,"service":"deal_roi_calculator","note":"Illustrative output from synthetic product facts; paid results depend on supplied facts.","name":"Coupon and Deal Incremental ROI Calculator","marketplace":"amazon_us","input_summary":{"product":"Northstar 24 oz insulated bottle","period":"28 comparable days","economics":"$30 list, $10 unit cost, 15% referral, $4 fulfillment","baseline":"80 full-price units","deal":"150 discounted units at 10% off, $0.60 each, $50 fixed fee, $100 campaign spend"},"output":{"publish_status":"draft_needs_review","discounted_price":27.0,"baseline_contribution_per_unit":11.5,"discounted_contribution_per_unit":8.35,"baseline_period_contribution":920.0,"deal_period_contribution":1102.5,"incremental_contribution":182.5,"unit_lift":70,"unit_lift_percent":87.5,"promotion_investment":{"discount":450.0,"redemption_fees":90.0,"fixed_and_campaign":150.0,"total":690.0},"incremental_roi_percent":26.4,"break_even_discounted_units":129,"break_even_unit_lift":49,"break_even_unit_lift_percent":61.3,"verdict":"positive_incremental_return","safety":"Seller-supplied comparable-period arithmetic only; unit lift is not causal attribution, no demand is forecast, and no promotion is activated."}}