This answer is incorrect. "Subtotal" is similar to "subcategory", where it means a "smaller part of a larger group"; in the former, the subtotal is a smaller group within the larger total, and the latter, subcategory is a smaller group within a larger category.
The general word is subtotal: [Merriam-Webster] : the sum of part of a series of figures // Your subtotal is $14, and with tax, that will be $14.70. Depending on context, a subtotal can represent the total of each product or the total of all products before tax and other calculations. The site NuORDER also mentions subtotal: This is the total price for each product in your order or the total ...
Adding it to an existing word creates a new word. Compare words like subtotal or subspace. Would you say either of these is more than one word? The difference here is that subtotal and subspace are established as lexical items, while subaccount is much less established.
Discounts are calculated on the sub-total (or subtotal) amount in retail/wholesale areas. In other words, they are tax exclusive. However, in tax accounting, one gets the concepts of: tax-inclusive and tax-exclusive sales tax rate Sales tax rates are typically quoted in tax-exclusive terms, but income tax rates are typically quoted as tax ...
I try Googling but couldn't come up with a valid answer. If I were to create a quotation, what is the correct unit to use for various kind of services. For other object, the unit would be like pi...