Chaz Corporation has taxable income in 2018 of $312,000 for purposes of computing the 179 expense and acquired the following assets during the year: Placed in Asset Service Basis Office furniture September 12 $ 780,000 Computer equipment February 10 930,000 Delivery truck August 21 68,000 Qualified improvement property September 30 1,500,000 Total $ 3,278,000 What is the maximum total depreciation deduction that Chaz may deduct in 2018?