Allocation process keeps repeating

We have an asset that was recorded with a cost that was higher than the taxation amount on the Cost table last year. The user tried to fix the problem this year by doing a complete reversal and then re-keying in the information with the same cost and taxation amount. Now when the allocation process is running every month, the amount of the difference between the cost and taxation amounts is being reversed (ie. zeroing out). We've noticed that when looking at the transactions on the jrnl_ln table, the monetary amount field is different than the foreign amount field.  In