during 2008, steele corporation sold merchandise costing $1,500,000 on an installment basis for $2,000. the cash receipts related to these sales were collected as follows: 2008, $800,000; 2009, $700000; 2010; $500,0000. what amount would be shown in the december 31, 2009 financial statement for realized gross profit on 2008 installment sales, and deferred gross profit on 2008 installment sales, respectively