Luma Payroll Gym
← Heatmap / Gemini 3.1 Flash Lite · Task 62
Gemini 3.1 Flash Lite · Single-turn · Task 62 (Calculation, at the tax-free line, resolved amendment) Mean 100.0%
Field Expected Rollout #1 (100%) Rollout #2 (100%) Rollout #3 (100%)
decision calculate calculate calculate calculate
currency LCR LCR LCR LCR
gross pay 1249.98 1249.98 1249.98 1249.98
employee contribution 50.00 50.00 50.00 50.00
allowed deduction 0.00 0.00 0.00 0.00
taxable pay 1199.98 1199.98 1199.98 1199.98
income tax 0.00 0.00 0.00 0.00
net pay 1199.98 1199.98 1199.98 1199.98
clauses R1 R2 R3 R4 R5 R6 R9 R1 R2 R3 R4 R5 R6 R9 R1 R2 R3 R4 R5 R6 R9 R1 R2 R3 R4 R5 R6 R9
Prompt
Process this monthly payroll record under the supplied rulebook. Return the R6 or R7 JSON answer.
Source documents: {"7ef060124ff31e6f-payroll": {"kind": "payroll", "record": {"gross_pay": "1249.98", "payroll_month": "2026-03"}}, "7ef060124ff31e6f-contract": {"kind": "contract", "gross_pay": "1289.55"}, "7ef060124ff31e6f-amendment": {"kind": "amendment", "gross_pay": "1249.98", "approved": true, "effective_month": "2026-03"}}
Authoritative case reference schedule: {"first-half": {"rate": "0.04", "cap": "3500.00", "deduction": "400.00", "free": "1200.00", "upper": "3600.00", "middle_rate": "0.08", "upper_rate": "0.24"}, "second-half": {"rate": "0.04", "cap": "4500.00", "deduction": "400.00", "free": "1000.00", "upper": "3000.00", "middle_rate": "0.10", "upper_rate": "0.20"}}
Rollouts
Rollout #1 100.0% passed · 1.4s · $0.0008
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6 R9
exact 100.0% R1 R2 R3 R4 R5 R6 R9
field accuracy 100.0% R1 R2 R3 R4 R5 R6 R9
citations 100.0% R1 R2 R3 R4 R5 R6 R9
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "1249.98",
  "employee_contribution": "50.00",
  "allowed_deduction": "0.00",
  "taxable_pay": "1199.98",
  "income_tax": "0.00",
  "net_pay": "1199.98",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6", "R9"],
  "explanation": "The amendment resolves the conflict between the payroll record and the contract gross pay."
}
Rollout #2 100.0% passed · 1.1s · $0.0008
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6 R9
exact 100.0% R1 R2 R3 R4 R5 R6 R9
field accuracy 100.0% R1 R2 R3 R4 R5 R6 R9
citations 100.0% R1 R2 R3 R4 R5 R6 R9
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "1249.98",
  "employee_contribution": "50.00",
  "allowed_deduction": "0.00",
  "taxable_pay": "1199.98",
  "income_tax": "0.00",
  "net_pay": "1199.98",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6", "R9"],
  "explanation": "The amendment resolves the conflict between the payroll record and the contract gross pay."
}
Rollout #3 100.0% passed · 1.1s · $0.0009
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6 R9
exact 100.0% R1 R2 R3 R4 R5 R6 R9
field accuracy 100.0% R1 R2 R3 R4 R5 R6 R9
citations 100.0% R1 R2 R3 R4 R5 R6 R9
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "1249.98",
  "employee_contribution": "50.00",
  "allowed_deduction": "0.00",
  "taxable_pay": "1199.98",
  "income_tax": "0.00",
  "net_pay": "1199.98",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6", "R9"],
  "explanation": "The amendment resolves the conflict between the payroll record and the contract gross pay. The employee contribution is calculated using the case-specific rate of 0.04 applied to the gross pay. Taxable pay falls below the tax-free threshold of 1200.00."
}