Machine Shop input evidence register
45 numeric input paths with their assumptions, calculation bases and cited sources.
Case updated September 28, 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 four-machine opening allocation. The sources establish cost-planning categories and operating constraints but do not verify facility, machine, tooling, rigging, inspection, insurance or reserve values.
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 · capital.items.7.amount
- Model assumption
Authored five-year revenue path. Census establishes industry scope and national employer context but does not supply local orders, realized rates, utilization or growth.
forecast.years.0.revenue · forecast.years.1.revenue · forecast.years.2.revenue · forecast.years.3.revenue · forecast.years.4.revenue
- Model assumption
Authored direct-cost percentages covering material, tooling, outside processing, freight, scrap and sales-linked costs. No source validates these percentages.
forecast.years.0.costOfSales · forecast.years.1.costOfSales · forecast.years.2.costOfSales · forecast.years.3.costOfSales · forecast.years.4.costOfSales
- Model assumption
Authored paid staffing budget. BLS supplies broad machinist duty and wage context and IRS supplies federal payroll-tax guidance; neither sets the roster, local offers, hours or full employer burden.
forecast.years.0.payroll · forecast.years.1.payroll · forecast.years.2.payroll · forecast.years.3.payroll · forecast.years.4.payroll
- Model assumption
Authored occupancy and overhead path. The sources identify industry and safety context but do not provide local rent, utility, service, insurance, software, sales or compliance costs.
forecast.years.0.occupancyAndOther · forecast.years.1.occupancyAndOther · forecast.years.2.occupancyAndOther · forecast.years.3.occupancyAndOther · forecast.years.4.occupancyAndOther
- Model assumption
The $185 rate, 28 daily billable spindle-hours, 58% contribution, $55,417 monthly fixed cost and ramp are authored planning assumptions. Sources support operating scope and labor context only.
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