It can be transferred together or in a lump sum, depending on the cost calculation method and the habit of keeping accounts.

In the cost calculation, tax is not included. If you can't calculate the product cost until the end of the month, you can only transfer it once at the end of the month. If you usually know the cost of the product, you can also sell it one by one. However, production enterprises generally have product cost calculation, which can only be calculated at the end of the month, mostly at the end of the month. It is rare to calculate the product cost at ordinary times.