Hi,
One more point..
In case, you always want to depreciate 100% all the assets whose Value is less than 5000, then you can use Low Value Assets.
Create a seaparate Asset class as "Low Value Asset" and in OAY2, mention the LVA check at the depreciation Area level.
Then in Transaction code OAYK, maintain the amount that qualifies as Low Value Assset, ie: 5000 in your case.
Regards,
Kavita