Towing Company input evidence register
43 numeric input paths with their assumptions, calculation bases and cited sources.
Case updated September 19, 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 staged two-truck opening allocation. Official startup, licensing and registration sources establish categories and requirements but do not verify used truck prices, insurance, yard, equipment 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
- Model assumption
Authored completed-call path. Year three is 5 calls × $350 × 6 days × 50 weeks. Official industry data establish context but not local call volume, mix, rate or collection.
forecast.years.0.revenue · forecast.years.1.revenue · forecast.years.2.revenue · forecast.years.3.revenue · forecast.years.4.revenue
- Model assumption
Authored 30% pool for route fuel, tolls, merchant fees and call-linked cost. Replace it with truck, route, vendor, claim and payment records.
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-operator and employee-operator schedule with employer-cost allowance. National occupational pay and federal payroll-tax guidance 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 truck, insurance, yard, repair, dispatch, 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 completed-call break-even bridge. The $350 retained sale, five calls, 70% contribution, fixed cost and ramp must reconcile to dispatch, truck hours, miles, claims 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