Vaughn Manufacturing constructed a building at a cost of $30950000. Weighted average accumulated expenditures were $12400000, actual interest was $1260000, and avoidable interest was $596000. If the salvage value is $2470000, and the useful life is 40 years, depreciation expense for the first full year using the straight-line method is $1036900. $726900. $758400. $788650