← Heatmap / GPT 5.6 Luna · Task 3
GPT 5.6 Luna* · Single-turn · Task 3 (Calculation, at the wage cap)
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 | 5000.02 | 5000.02 | 5000.02 | 5000.02 |
| employee contribution | 300.00 | 300.00 | 300.00 | 300.00 |
| allowed deduction | 0.00 | 0.00 | 0.00 | 0.00 |
| taxable pay | 4700.02 | 4700.02 | 4700.02 | 4700.02 |
| income tax | 472.00 | 472.00 | 472.00 | 472.00 |
| net pay | 4228.02 | 4228.02 | 4228.02 | 4228.02 |
| 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: {"713704016144c9f9-payroll": {"kind": "payroll", "record": {"gross_pay": "5000.02", "payroll_month": "2026-05", "allowed_deduction": "0.00"}}}
Authoritative case reference schedule: {"first-half": {"rate": "0.06", "cap": "5000.00", "deduction": "400.00", "free": "1100.00", "upper": "3300.00", "middle_rate": "0.10", "upper_rate": "0.18"}, "second-half": {"rate": "0.07", "cap": "4000.00", "deduction": "400.00", "free": "1100.00", "upper": "3600.00", "middle_rate": "0.12", "upper_rate": "0.22"}}
Rollouts
Rollout #1 100.0% passed · 3.7s · $0.0004
| Component | Score | Clauses |
|---|---|---|
| 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": "5000.02",
"employee_contribution": "300.00",
"allowed_deduction": "0.00",
"taxable_pay": "4700.02",
"income_tax": "472.00",
"net_pay": "4228.02",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Reasoning
**Calculating tax details** I need to calculate some tax details. For the first half, with a gross of 5000.02 and a rate of .06 capped at 5000, the contribution is 300.00. This leads to a taxable amount of 4700.02, with a tax-free portion of 1100. For the middle bracket, up to 3300, I calculate 2200*.10 = 220, while the upper portion is 1400.02*.18 = 252.00. Altogether, that makes the total tax 472.00. After deductions, the net comes to 4228.02. I need the JSON fields for this too.
Rollout #2 100.0% passed · 3.9s · $0.0003
| Component | Score | Clauses |
|---|---|---|
| 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": "5000.02",
"employee_contribution": "300.00",
"allowed_deduction": "0.00",
"taxable_pay": "4700.02",
"income_tax": "472.00",
"net_pay": "4228.02",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Reasoning
**Calculating net earnings** I need to calculate the earnings based on a gross amount of $5000.02 for the first half of May. The contribution is 6% of the minimum between $5000.02 and $5000, which gives me $300.00. There's no valid deduction, so the taxable income is $4700.02. The tax calculation is a bit complex: for the middle portion of $2200, I apply a 10% tax, while for the upper portion above $3300, I use an 18% rate. This results in a total tax of $472.00, leaving a net income of $4228.02.
Rollout #3 100.0% passed · 4.1s · $0.0003
| Component | Score | Clauses |
|---|---|---|
| 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": "5000.02",
"employee_contribution": "300.00",
"allowed_deduction": "0.00",
"taxable_pay": "4700.02",
"income_tax": "472.00",
"net_pay": "4228.02",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Reasoning
**Calculating tax contributions** I need to calculate the gross income, which is $5000.02 for the first half of May, with a tax rate of 6%. The contribution cap is $5000, resulting in a deduction of $300. The taxable amount would be $4700.02. The tax above the free amount (assuming $1100) breaks down to $220 on the upper rate and $252 on the upper excess. Finally, the net income stands at $4228.02 after deductions. I need to ensure I include clauses R1-R6 in the JSON format.