To include freight & additional charges in your sales voucher, you can use the Bill Sundry option in the sales voucher. There is a bill sundry already created with the name Freight & Forwarding Charges. You can select this option and enter the amount of the freight charges. This will add the freight charges to your voucher. If you want to create a new bill sundry other name, you can do so by pressing F3 in the voucher on the bill sundry rows. This will open the Bill Sundry Master window, where you can enter the name, type, nature, and rate of the new bill sundry. You can also set up the accounting effects for the new bill sundry. After creating the new bill sundry, you can select it in the invoice and enter the amount of that charges.