Adding an Asset via Mass Additions

 We have need to move Asset from book A to book B.  We know Oracle does not have a method to do this so we will retire from book A and add back to book B.  Business wants to add the cost, adjusted_cost, ytd depreciation and reserve from book A to book B.  I was able to get the cost, ytd depreciation and reserve to add to book B as desired with depreciation starting in new book from the current period.  However, I can not figure out how to set the adjusted_cost.  There are 2,000 where the life was changed