Luma Payroll Gym
← Heatmap / GPT 5.6 Luna · Task 71
GPT 5.6 Luna* · Single-turn · Task 71 (Calculation, upper bracket) 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 3693.66 3693.66 3693.66 3693.66
employee contribution 221.62 221.62 221.62 221.62
allowed deduction 317.42 317.42 317.42 317.42
taxable pay 3154.62 3154.62 3154.62 3154.62
income tax 194.02 194.02 194.02 194.02
net pay 2960.60 2960.60 2960.60 2960.60
clauses R1 R2 R3 R4 R5 R6 R1 R2 R3 R4 R5 R6 R1 R2 R3 R4 R5 R6 R1 R2 R3 R4 R5 R6
Prompt
Process this monthly payroll record under the supplied rulebook. Return the R6 or R7 JSON answer.
Source documents: {"58270f5a8f66aa95-payroll": {"kind": "payroll", "record": {"gross_pay": "3693.66", "payroll_month": "2026-08", "allowed_deduction": "317.42"}}, "58270f5a8f66aa95-contract": {"kind": "contract", "gross_pay": "3693.66"}}
Authoritative case reference schedule: {"first-half": {"rate": "0.07", "cap": "3500.00", "deduction": "400.00", "free": "1000.00", "upper": "3600.00", "middle_rate": "0.12", "upper_rate": "0.22"}, "second-half": {"rate": "0.06", "cap": "4000.00", "deduction": "400.00", "free": "1000.00", "upper": "3000.00", "middle_rate": "0.08", "upper_rate": "0.22"}}
Rollouts
Rollout #1 100.0% passed · 4.8s · $0.0004
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6
exact 100.0% R1 R2 R3 R4 R5 R6
field accuracy 100.0% R1 R2 R3 R4 R5 R6
citations 100.0% R1 R2 R3 R4 R5 R6
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3693.66",
  "employee_contribution": "221.62",
  "allowed_deduction": "317.42",
  "taxable_pay": "3154.62",
  "income_tax": "194.02",
  "net_pay": "2960.60",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Reasoning
**Calculating tax and deductions**

I'm working through some financial calculations. To start, I need to determine rates, caps, and deductions. The gross amount is $3,693.66, and after contributions and deductions, I'm calculating the taxable amount, which comes to $3,154.62. For taxes, I've determined the rates for different income levels, and based on my calculations, the total tax owed is $194.02. Finally, after accounting for everything, the net amount is $2,960.60. Now, I need to format this data correctly in JSON.
Rollout #2 100.0% passed · 4.1s · $0.0004
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6
exact 100.0% R1 R2 R3 R4 R5 R6
field accuracy 100.0% R1 R2 R3 R4 R5 R6
citations 100.0% R1 R2 R3 R4 R5 R6
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3693.66",
  "employee_contribution": "221.62",
  "allowed_deduction": "317.42",
  "taxable_pay": "3154.62",
  "income_tax": "194.02",
  "net_pay": "2960.60",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Reasoning
**Calculating taxes and deductions**

I need to calculate the second half of August's customs gross of $3693.66. The contribution is 0.06 times the minimum of gross and $4000, which gives me about $221.62 after rounding. After deductions of $317.42, I get a taxable amount of $3154.62. For taxes, the first $1000 is free, then up to $3000 is taxed at 8%, and 22% on the remaining amount. The total tax comes to about $194.02, leaving a net of $2960.60. I'll need this in JSON format with exact fields.
Rollout #3 100.0% passed · 3.6s · $0.0004
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6
exact 100.0% R1 R2 R3 R4 R5 R6
field accuracy 100.0% R1 R2 R3 R4 R5 R6
citations 100.0% R1 R2 R3 R4 R5 R6
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3693.66",
  "employee_contribution": "221.62",
  "allowed_deduction": "317.42",
  "taxable_pay": "3154.62",
  "income_tax": "194.02",
  "net_pay": "2960.60",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Reasoning
**Calculating August Schedule**

I need to calculate the financial details for August second. There's a 0.06 rate with various caps and deductions. My gross amount is 3693.66, and after contributions and deductions, I arrive at a taxable income of 3154.62. The tax breaks down to 194.02 total. So, my net calculation comes out to 2960.60. I’m keeping note of the exact fields from clauses R1 to R6 to ensure everything is correct.