Allocating Joint Costs Using the Physical Units Method Sunny Lane, Inc., purchases peaches from local orchards and sorts them into four categories. Grade A are large blemish-free peaches that can be sold to gourmet fruit sellers. Grade B peaches are smaller and may be slightly out of proportion. These are packed in boxes and sold to grocery stores. Peaches to be sliced for canned peaches are even smaller than Grade B peaches and have blemishes. Peaches to be pureed for