VAT (Value Added Tax) and GST (Goods and Services Tax) are consumption taxes added to sales. The names differ by region but the invoicing mechanics are the same: show the net amount, tax rate, and gross total.
Adding Tax to Quotes
When your quote is tax-exclusive, multiply by the tax rate to get the total. A $1,000 project at 20% VAT = $1,200 gross.
Removing Tax from Receipts
When a receipt shows a tax-inclusive total, divide by (1 + rate) to find the net amount. Essential for expense tracking.
Showing Tax on Invoices
Display net amount, tax rate, tax amount, and gross total as separate lines. Clients and accountants need all four figures.
Conclusion
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