net effect on the statement of activities

net effect on the statement of activities
Sea Lion Park, a private not-for-profit zoological society, received contributions restricted for research totaling $50,000 in 2005. None of the contributions were spent on research in 2005. In 2006, $35,000 of the contributions were used to support the research activities of the society. The net effect on the statement of activities for the year ended December 31, 2006, for Sea Lion Park would be a
$15,000 increase in temporarily restricted net assets.
$35,000 decrease in temporarily restricted net assets.
$35,000 increase in unrestricted net assets.
$35,000 decrease in unrestricted net assets.