Painting Business input evidence register
44 numeric input paths with their assumptions, calculation bases and cited sources.
Case updated September 14, 2026. This technical appendix accompanies the complete case methodology and source register.
Dataset use notice: no Creative Commons license or DOI is asserted. Referenced material remains subject to its publisher’s terms.
A linked reference can support scope without confirming an exact forecast. Assumption entries identify values that still require local validation. Each field path identifies an input in the common business record.
- Model assumption
Authored one-crew opening allocation. Current sprayer, new-van, startup-cost and contractor-classification sources inform categories but do not verify a used vehicle, full equipment set, compliance cost or reserve.
capital.total · capital.low · capital.high · capital.items.0.amount · capital.items.1.amount · capital.items.2.amount · capital.items.3.amount · capital.items.4.amount · capital.items.5.amount · capital.items.6.amount
- Model assumption
Authored crew-day path. Year three is $2,200 × 1 crew-day equivalent × 5 days × 50 weeks. Industry and occupation sources establish scope context but not local price, volume or backlog.
forecast.years.0.revenue · forecast.years.1.revenue · forecast.years.2.revenue · forecast.years.3.revenue · forecast.years.4.revenue
- Model assumption
Authored 40% sales-linked pool for coatings, sundries, payment fees and other variable leakage. Replace it with estimates, purchase invoices, waste, credits, rework and callbacks.
forecast.years.0.costOfSales · forecast.years.1.costOfSales · forecast.years.2.costOfSales · forecast.years.3.costOfSales · forecast.years.4.costOfSales
- Model assumption
Authored paid owner-estimator and two-painter schedule with employer-cost allowance. National occupation pay and federal payroll-tax components are context only.
forecast.years.0.payroll · forecast.years.1.payroll · forecast.years.2.payroll · forecast.years.3.payroll · forecast.years.4.payroll
- Model assumption
Authored vehicle, insurance, equipment, software, marketing and administration schedule. It is not a local quote or dated cash forecast.
forecast.years.0.occupancyAndOther · forecast.years.1.occupancyAndOther · forecast.years.2.occupancyAndOther · forecast.years.3.occupancyAndOther · forecast.years.4.occupancyAndOther
- Model assumption
Authored crew-day break-even bridge. The $2,200 value, one crew-day, 60% contribution, fixed cost and ramp must be reconciled to project estimates, paid hours, materials, access, rework and collection.
unitEconomics.driver.model · unitEconomics.driver.low · unitEconomics.driver.high · unitEconomics.volume.model · unitEconomics.volume.low · unitEconomics.volume.high · unitEconomics.daysPerWeek.model · unitEconomics.daysPerWeek.low · unitEconomics.daysPerWeek.high · unitEconomics.fixedCostsMonthly · unitEconomics.contributionMargin · unitEconomics.ramp.startShare · unitEconomics.ramp.stepPerMonth · unitEconomics.ramp.horizonMonths