calculateTax
Calculates tax amount based on a tax rate percentage.
Examples:
8.50
calculateDiscount
Calculates discount amount based on a discount percentage.
Examples:
20.00
netAmount
Calculates net amount after tax and discount.
Calculation:
(amount - discount) + tax on discounted amount
Examples:
- Original: $100
- Discount (20%): -$20
- Subtotal: $80
- Tax (10% of 8
- Net: $88.00
invoiceNumber
Generates a formatted invoice number.
Format:
PREFIX-YYYYMM-NUMBER
Examples:
INV-202412-000001
INV-202412-000042
REC-202412-00001234
dueDate
Calculates a due date by adding days to an invoice date.
Examples:
2025-01-14

