On September 1, 2012 Algernon Company sold a truck for $15,000 cash. The truck was originally purchased for $40,000 and had an estimated life of 6 years. Algernon had recorded depreciation of $30,000 through the end of 2011 using the straight-line method. Algernon had to update the depreciation prior to sale. After updating the depreciation, how much was the total accumulated depreciation on the truck?