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Small Business Bookkeeping & Tax Compliance Matrix
Finance LuxuryAudit operational gross margins, calculate tier-based corporate tax withholdings, and visualize profit structures 100% serverless.
100% client-side
Ledger entries
Gross sales / revenue$120,000
Operating expenses$35,000
Payroll & contractors$40,000
Net profit$45,000
Est. tax$5,900
Take-home$39,100
Op. margin38%
Retained capital vs tax reserve
Net capital (87%)Tax reserve (13% effective)
| Bracket | Rate | Taxable | Tax |
|---|---|---|---|
| Bracket A (≤ $40k) | 12% | $40,000 | $4,800 |
| Bracket B ($40k–$85k) | 22% | $5,000 | $1,100 |
- Educational simulation only — consult a licensed CPA for filing decisions.
- Healthy operating margin — consider quarterly estimated tax reserves.
Educational tax simulation only — not legal or tax advice. Consult a licensed CPA before filing. Ledger data never leaves this browser tab.