|
• Percent of Value: The extra charge is a percentage of the value of the invoice line. For example, if the value of the line is $20 and the extra charge is 5% of the value, the system will add an extra charge of $1 to the invoice line.
• Fixed Amount: The extra charge is a fixed amount per invoice line. For example if the fixed amount is $5, the system will add an extra charge of $5 to this invoice line.
• Per-Unit Amount: The extra charge is a fixed amount per unit of the quantity in the invoice line. For example, if the fixed amount is $1 per unit and 20 units are invoiced, the system will add an extra charge of $20 to the invoice line.