On May 1, 2005, ABC purchased 30% of the stock of D Corporation for $600 000. During 2005,D had net income of $100 000. On February 1 and on August 1, D paid $30 000 in dividends. On December 31,2005, the market price of the stock is $630 000.what amount should be shown in the Investment in D Corporation account on ABC\'s Balance Sheet dated December 31,2005? 这题答案是什么，为什么呢?