Converting Amortized Assets

 Hi group -

We have a situation were we need to create a new FA book and convert all of our current assets over to the new book.  On the current book we have assets that are being amortized.  When we convert these assets with cost and reserve, amortization start date, amortize flag, rate adjustment factor, adjusted cost - we noticed that in P1 when we convert, prior to running depreciation, if we look in the book form - Oracle has calculated and populated YTD amd reserve amounts - whihc end up showing on the fa_deprn_detail table as deprn_adjustment_amount.  Why is Oracle calculating