Oddities in Quote

I have been playing with the quoting process to see if I can put two options in one quote form, a standard delivery and a rush delivery.  I currently have to add the rush delivery as a note.  I would prefer to have two tables, with each table with a total for the standard and rush delivery.

I tried listing both options together as a starting point and received the following print out:

I don't know why the quote total was only USD 4,800 and not USD 10,400.

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