Wang owns $30\%$ of Chen and at December $31,2015$ the balance in Wang's investment account equals $$400,000.$ On January $1,2016$ Wang purchases an additional $40\%$ ownership in Chen for $$600,000,$ bringing Wang's ownership up to $70\%.$ Wang will Dr$.$ Investment in Chen for $$600,000$ and credit cash for $$600,000.$ What additional entry will Wang be required to make to reflect the increase in ownership.