What does the following expression do?
subTotalAdditions.Select(Function(field) CDec(documentFields(field))).ToList.Sum() + subtotal

Sums up subtotal fields from the config file converted to CDec with the subtotal.
Sums up all the line amounts and converts the fields to CDec.
Sums up all the line amounts converted to CDec and the subtotal
Sums up the subtotal to the total variable by converting it to CDec

Answer(s): C

What additional information can be included in the exported data, apart from the extraction results?

The number of occurrences and the extraction confidence.
The page number from which the field was extracted and the exact position on the page.
The extraction confidence and the digitization confidence.
The position on the page.

Answer(s): B