Once the Freight and Charges tabs are updated, you can go to the Layout tab of the quote.
By default, freight and local charges come in various currencies and there is no total cost summary. You can add a summary of different currencies by selecting the 'Show subtotals per currency' in the list of layout options at this stage:
Once the button is ticked, the quote preview will refresh and an additional table with summary will appear. You can always remove it by 'unticking' the box.