On january 15, 2019, Vern purchased the rights to a mineral interest for $2,500,000. At the time it was estimated that the recoverable units would be 500,000. During the year, 40,000 units were mined and 25,000 units were sold for $800,000. Vern incurred expenses during 2019 of $500,000. The percentage depletion rate is 22%. Determine Vern's depletion deduction for 2019.