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. Additional processing requires no special facilities, and production costs of further processing are entirely variable and traceable to the products involved. Key information about Double's production, sales, and costs follows. Total 79,200 Units Sold Price (after additional processing) Separable Processing cost Units Produced Total Joint Cost Sales Price at Split-off DBB-1 16,800 $ 65 $ 118,000 16,800 DBB-2 25, 200 $ 50 $ 52,000 25, 200 DBB-3 37,200 $ 75 $ 74,000 37,200 $ 244,000 79,200 $ 3,640,000 $ 25 $ 35 $ 55 The amount of joint costs allocated to product DBB-1 using the physical measure method is