← Heatmap / Gemini 3.1 Flash Lite · Task 19
Gemini 3.1 Flash Lite · Single-turn · Task 19 (Calculation, upper bracket)
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 | 4326.01 | 4326.01 | 4326.01 | 4326.01 |
| employee contribution | 302.82 | 302.82 | 302.82 | 302.82 |
| allowed deduction | 386.64 | 386.64 | 386.64 | 386.64 |
| taxable pay | 3636.55 | 3636.55 | 3636.55 | 3636.55 |
| income tax | 198.58 | 258.58 | 258.58 | 258.58 |
| net pay | 3437.97 | 3377.97 | 3377.97 | 3377.97 |
| 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: {"f8d9f5fe0eb33c57-payroll": {"kind": "payroll", "record": {"gross_pay": "4326.01", "payroll_month": "2026-03", "allowed_deduction": "386.64"}}}
Authoritative case reference schedule: {"first-half": {"rate": "0.07", "cap": "4500.00", "deduction": "400.00", "free": "1200.00", "upper": "3600.00", "middle_rate": "0.08", "upper_rate": "0.18"}, "second-half": {"rate": "0.05", "cap": "4500.00", "deduction": "400.00", "free": "1200.00", "upper": "3600.00", "middle_rate": "0.08", "upper_rate": "0.22"}}
Rollouts
Rollout #1 -40.0% wrong income tax · 1.5s · $0.0011
| 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": "4326.01",
"employee_contribution": "302.82",
"allowed_deduction": "386.64",
"taxable_pay": "3636.55",
"income_tax": "258.58",
"net_pay": "3377.97",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"],
"explanation": "Calculated using the authoritative first-half schedule (Rate: 0.07, Wage Cap: 4500.00, Deduction Cap: 400.00, Tax-free: 1200.00, Upper Boundary: 3600.00, Middle Rate: 0.08, Upper Rate: 0.18). Employee contribution: 4326.01 * 0.07 = 302.82. Taxable pay: 4326.01 - 302.82 - 386.64 = 3636.55. Income tax: (3600.00 - 1200.00) * 0.08 + (3636.55 - 3600.00) * 0.18 = 192.00 + 6.58 = 198.58."
}
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": "4326.01",
"employee_contribution": "302.82",
"allowed_deduction": "386.64",
"taxable_pay": "3636.55",
"income_tax": "258.58",
"net_pay": "3377.97",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"],
"explanation": "Calculated using the authoritative first-half schedule provided in the case. Employee contribution: 4326.01 * 0.07 = 302.82. Taxable pay: 4326.01 - 302.82 - 386.64 = 3636.55. Income tax: (3600.00 - 1200.00) * 0.08 + (3636.55 - 3600.00) * 0.18 = 192.00 + 6.58 = 258.58."
}
Rollout #3 -40.0% wrong income tax · 1.0s · $0.0008
| 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": "4326.01",
"employee_contribution": "302.82",
"allowed_deduction": "386.64",
"taxable_pay": "3636.55",
"income_tax": "258.58",
"net_pay": "3377.97",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}