{"uid":"cap_GYi2A_3plTlVeFxTdgIi7","slug":"break-even-sales-units-sequential-input-change-attribution-waterfall-44085f0f","name":"Break-even Sales Units — Sequential Input-Change Attribution (Waterfall)","description":"Break-even sales units - Sequential input-change attribution: Change each input from baseline to final in declared field order, reporting each incremental effect; order dependent. Metric: Break-even sales units. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded sequential input-change attribution report.","url":"https://market.datapackvibe.com/x402/assistant-finance-break-even-units-waterfall?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"after":{"type":"object","default":{"unit_price":22,"fixed_costs":5500,"variable_cost_per_unit":13.200000000000001},"required":["fixed_costs","unit_price","variable_cost_per_unit"],"properties":{"unit_price":{"type":"number","default":20,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period","exclusiveMinimum":0},"fixed_costs":{"type":"number","default":5000,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period"},"variable_cost_per_unit":{"type":"number","default":12,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period"}},"additionalProperties":false},"before":{"type":"object","default":{"unit_price":20,"fixed_costs":5000,"variable_cost_per_unit":12},"required":["fixed_costs","unit_price","variable_cost_per_unit"],"properties":{"unit_price":{"type":"number","default":20,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period","exclusiveMinimum":0},"fixed_costs":{"type":"number","default":5000,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period"},"variable_cost_per_unit":{"type":"number","default":12,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XjhoqxnigLw8zjJ_4rTiz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a sequential (waterfall) attribution analysis on break-even sales units by changing each input from baseline to final values in declared field order, reporting each incremental effect.","exampleAgentPrompt":"Run a sequential waterfall attribution on my break-even sales units: baseline is unit price $20, fixed costs $5,000, variable cost per unit $12 — and the new scenario is unit price $22, fixed costs $5,500, variable cost $13.20. Show me how much each input change contributed to the shift in break-even quantity, in the order they appear in the schema.","exampleUseCases":[{"title":"Pricing change impact on break-even","prompt":"My product's unit price is going up from $50 to $60, fixed costs stay at $10,000, and variable cost per unit stays at $25. Can you run a sequential waterfall to show me how much of the break-even unit reduction comes from the price increase alone?"},{"title":"Cost increase attribution for CFO report","prompt":"Our fixed costs rose from $80,000 to $95,000 and variable cost per unit went from $30 to $33, while unit price held at $70. Do a step-by-step break-even waterfall so I can show the CFO exactly how much each cost driver widened our break-even threshold."},{"title":"Full scenario comparison for business plan","prompt":"I'm modeling two scenarios for my business plan: before — unit price $15, fixed costs $3,000, variable cost $9; after — unit price $18, fixed costs $3,500, variable cost $10. Give me the sequential input-change attribution for break-even sales units so I can see each variable's incremental effect in order."}],"resultDescription":"A JSON response containing the break-even waterfall attribution: for each input field (in declared schema order), the incremental effect on break-even sales units as it moves from baseline to final value, plus the overall formula used, units, and stated limitations of the analysis.","failureModes":["Missing required fields in before or after objects returns a validation error","unit_price must be greater than 0 (exclusiveMinimum); zero or negative value rejected","variable_cost_per_unit >= unit_price causes infinite or undefined break-even (contribution margin ≤ 0)","Values exceeding 1,000,000,000,000 are rejected by schema maximum","Non-numeric input types return schema validation errors","Insufficient USDC balance or x402 payment failure blocks request"],"whenToPreferThis":"Choose this endpoint when you need to understand not just how break-even sales units changed between two scenarios, but how much each individual input (price, fixed costs, variable cost) contributed to that change in sequence. It is order-dependent, making it ideal for waterfall/bridge chart analysis and CFO-style variance reports. Use alternatives if you need simultaneous (Shapley-style) attribution, a sensitivity table across a range of values, or a simple before/after comparison without step decomposition.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:46:48.802Z","isFirstParty":false,"canonicalSlug":"break-even-sales-units-sequential-input-change-attribution-waterfall-44085f0f"}