The first one (adjust cost item entries) it's essential to running it even more if average isn't your normal item value. That adjust all item value enters to their method of calculation. It's very important in this way, you've purchase 1 unit of item A to value 10 (shipment), you sell it to 20 -> revenue 10, if it you made any correction of that value -> to 12 for example, this will make your correct your revenue to 8 by correcting the exit value giving this +2. Maybe you've already it running each time you make a move, you can check it in inventory setup, it's the first check -> automatic cost posting.
The second one (adjust item cost/prices) of the field you select for the item, you will see the result in the card.
