Canary owns a zinc mine for which he paid $900,000. He has claimed $410,000 in depletion in prior years. There were 750,000 tons of zinc when Canary acquired the mine. The beginning-of-the-year estimate indicated 350,000 tons of zinc remained. In the current year, he sold 90,000 tons of zinc. His gross income from the zinc was $1.5 million, and his taxable income before depletion was $380,000. The depletion rate for zinc is 22%. What is Canary's percentage depletion deduction for the current year?