
Single-Entry vs. Double-Entry: What Changes When Your Business Outgrows a Checkbook Ledger
Single-entry tracks cash; double-entry tracks your whole business. Each transaction hits two accounts, keeping Assets = Liabilities + Equity balanced.

Single-entry tracks cash; double-entry tracks your whole business. Each transaction hits two accounts, keeping Assets = Liabilities + Equity balanced.

Single-trigger vests your equity at closing; double-trigger also needs a qualifying termination within ~12 months. Know which your grant has.

Advisors earn 0.1% to 1% on the FAST grid with two-year vesting; NSOs tax the spread at exercise, restricted stock needs a Section 83(b) election in 30 days.

Tax-basis statements measure your books by IRS rules, not GAAP — 20 to 30 percent cheaper, but lenders lose comparability and deferred-tax visibility.

A dollar today is worth more than a dollar tomorrow. TVM formulas for compounding and discounting, worked examples, and how to pick a discount rate.

Reimbursements stay tax-free under IRS rules only with 60-day substantiation and 120-day return of excess advances — miss either and they become W-2 wages.

A zero-balance account ends every day at $0 — the bank funds each day's payments from a master account, so no cash ever sits idle.

A 52-53 week year ends on the same weekday under Section 441, with a 53rd week every 5-6 years. Adopt it on your first return; later switches need IRS approval.

Apportioned plates let one interstate truck register once: the base state collects the fee and splits it across states by miles driven.

Ministers are employees for income tax but self-employed for Social Security: housing allowances escape income tax yet still owe SECA tax.

Most US restaurants charge $20-$25 per bottle in corkage; the fee is a taxable service charge, so ring it separately and run staff payouts through payroll.

About 4 in 5 IRS audits are letters you answer by mail; office and field exams meet in person — and Section 7521 lets you record the interview.