Clara Hospital, a private not-for-profit hospital, earned $250,000 of gift shop revenues and spent $50,000 on research during the year ended December 31, 2011. The $50,000 spent on research was part of a $75,000 contribution received during December of 2010 from a donor who stipulated that the donation be used for medical research. Assume none of the gift shop revenues were spent in 2011. For the year ended December 31, 2011, what was the increase in unrestricted net assets from the events occurring during 2011?