{
  "date": "2026-09-09",
  "assumptions": [
    "Same ordinary remuneration per worker; unchanged required output",
    "Zero effective output-per-hour gain in both scenarios",
    "Costs prorate with months; whole-person staffing constraints excluded",
    "Additional stage-transition and extended evaluation costs excluded",
    "National AI inputs and original D0/D1/D2 model files unchanged"
  ],
  "initial_no_gain_payroll_factor": "0.111111111111111111111111111",
  "further_factor_relative_to_intermediate_payroll": "0.125",
  "scenarios": [
    {
      "scenario": "original-full-year-20-percent",
      "baseline_annual_payroll_aud": "100000000",
      "other_d2_costs_aud": "10150000",
      "extra_payroll_aud": "25000000.00",
      "total_with_20_percent_contingency_aud": "42180000.000",
      "average_ordinary_hours_reduction_percent": "20.0",
      "status": "retained-original"
    },
    {
      "scenario": "alternative-six-months-10-then-six-months-20",
      "baseline_annual_payroll_aud": "100000000",
      "other_d2_costs_aud": "10150000",
      "extra_payroll_aud": "18055555.55555555555555555555",
      "total_with_20_percent_contingency_aud": "33846666.66666666666666666666",
      "average_ordinary_hours_reduction_percent": "15.00",
      "status": "unselected-alternative"
    }
  ]
}