The different in formal invoice and sales invoice is:
1.Formal Invoice is printed in A4 size
2.Must select member before payment
3.Installment
Under sales, click on formal invoice
4.Select member
5.Press cancel after Member list is shown
6.Click add to select member
This step is only for other tender.
Cash tender will be the same as the one in sale invoice
1.Select member
2.Select the item and payment type.
Only click on the other tender
3.Select order type, and now let's do delivery.
And customer info will be shown
