Payroll System: Gross-to-Net Pay Calculation

Data Flow Diagrams (DFD) · made in Skemio

DFD showing timecards transformed into gross pay, tax deductions via tax tables, benefit deductions, and ACH bank disbursement.

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What it shows

Timecard records require wage tier multiplication before any deductions.
Statutory tax withholding relies on point-in-time tax tables for compliance.
Net disbursement requires balancing direct deposits against audit ledgers.

The takeaway

Deterministic gross-to-net transformation requires strict sequential deduction pipelining.

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