Can we get the internal calculations for the fields shown on this page so that it can help us for ??

Summary:

1sr screen shot

We are looking for internal calculations from ARCS for how the unexplained different amount is calculated and similar other columns where there is no 1:1 mapping with base table columns ?? also can we fetch this tab's data as it is using api's if there is any exisitng facility from ARCS side

2nd screen shot

like wise we also looking for the Expected Close Date and NAME attribute are stored in which backend ARCS table ? as per doc its not getting in any table

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