On January 1, 2012, two individuals invested $200,000 each to form Reiner Corporation. Reiner had total revenues of $20,000 during 2012 and $50,000 during 2013. Total expenses for the same periods were $12,000 and $36,000 respectively. Cash dividends paid out to stockholders totaled $6,000 in 2012 and $10,000 in 2013. What was Reiner's total stockholders' equity at the end of 2012 and 2013