← Heatmap / Gemini 3.1 Flash Lite · Task 96
Gemini 3.1 Flash Lite · Single-turn · Task 96 (Calculation, half-cent rounding tie)
Mean -40.0%
| Field | Expected | Rollout #1 (-40%) | Rollout #2 (-40%) | Rollout #3 (-40%) |
|---|---|---|---|---|
| decision | calculate | calculate | calculate | calculate |
| currency | LCR | LCR | LCR | LCR |
| gross pay | 2510.90 | 2510.90 | 2510.90 | 2510.90 |
| employee contribution | 125.55 | 125.55 | 125.55 | 125.55 |
| allowed deduction | 0.00 | 0.00 | 0.00 | 0.00 |
| taxable pay | 2385.35 | 2385.35 | 2385.35 | 2385.35 |
| income tax | 165.95 | 166.05 | 166.05 | 166.05 |
| net pay | 2219.40 | 2219.30 | 2219.30 | 2219.30 |
| 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: {"a84676d7d0d22839-payroll": {"kind": "payroll", "record": {"gross_pay": "2510.90", "payroll_month": "2026-11"}}}
Authoritative case reference schedule: {"first-half": {"rate": "0.04", "cap": "4500.00", "deduction": "400.00", "free": "900.00", "upper": "3600.00", "middle_rate": "0.12", "upper_rate": "0.24"}, "second-half": {"rate": "0.05", "cap": "3500.00", "deduction": "400.00", "free": "1200.00", "upper": "3000.00", "middle_rate": "0.14", "upper_rate": "0.20"}}
Rollouts
Rollout #1 -40.0% wrong income tax · 1.8s · $0.0009
| Component | Score | Clauses |
|---|---|---|
| decision | 100.0% | R1 R2 R3 R4 R5 R6 |
| exact | 0.0% | R1 R2 R3 R4 R5 R6 |
| field accuracy | 50.0% | R1 R2 R3 R4 R5 R6 |
| citations | 100.0% | R1 R2 R3 R4 R5 R6 |
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "2510.90",
"employee_contribution": "125.55",
"allowed_deduction": "0.00",
"taxable_pay": "2385.35",
"income_tax": "166.05",
"net_pay": "2219.30",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"],
"explanation": "Calculated using the second-half schedule: contribution = 2510.90 * 0.05 = 125.545 (rounded to 125.55). Taxable pay = 2510.90 - 125.55 = 2385.35. Tax = (2385.35 - 1200.00) * 0.14 = 166.049 (rounded to 166.05)."
}
Rollout #2 -40.0% wrong income tax · 1.5s · $0.0010
| Component | Score | Clauses |
|---|---|---|
| decision | 100.0% | R1 R2 R3 R4 R5 R6 |
| exact | 0.0% | R1 R2 R3 R4 R5 R6 |
| field accuracy | 50.0% | R1 R2 R3 R4 R5 R6 |
| citations | 100.0% | R1 R2 R3 R4 R5 R6 |
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "2510.90",
"employee_contribution": "125.55",
"allowed_deduction": "0.00",
"taxable_pay": "2385.35",
"income_tax": "166.05",
"net_pay": "2219.30",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"],
"explanation": "Calculated using the second-half reference schedule from the case provided: contribution = 2510.90 * 0.05 = 125.545 (rounded to 125.55). Taxable pay = 2510.90 - 125.55 - 0.00 = 2385.35. Income tax = (2385.35 - 1200.00) * 0.14 = 166.049 (rounded to 166.05). Net pay = 2510.90 - 125.55 - 0.00 - 166.05 = 2219.30."
}
Rollout #3 -40.0% wrong income tax · 1.5s · $0.0010
| Component | Score | Clauses |
|---|---|---|
| decision | 100.0% | R1 R2 R3 R4 R5 R6 |
| exact | 0.0% | R1 R2 R3 R4 R5 R6 |
| field accuracy | 50.0% | R1 R2 R3 R4 R5 R6 |
| citations | 100.0% | R1 R2 R3 R4 R5 R6 |
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "2510.90",
"employee_contribution": "125.55",
"allowed_deduction": "0.00",
"taxable_pay": "2385.35",
"income_tax": "166.05",
"net_pay": "2219.30",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"],
"explanation": "Calculated using second-half schedule: contribution = 2510.90 * 0.05 = 125.545 (rounded to 125.55). Taxable pay = 2510.90 - 125.55 = 2385.35. Income tax = (2385.35 - 1200.00) * 0.14 = 166.049 (rounded to 166.05). Net pay = 2510.90 - 125.55 - 0.00 - 166.05 = 2219.30."
}