Double Company produces three products - DBB-1, DBB-2, and DBB-3 from a joint process. Each product may be sold at the split-off point or processed further. Additionai processing requires no special facilities, and production costs of further processing are entirely voriable and traceable to the products involved. Key information about Double's production, sales. and costs follows. The amount of joint costs al located to product DBB.1 using the physical measure method is