On June 30, 2009, Sideways Movers had $243,000 in current assets and $211,000 in current liabilities. On August 1, 2009, Sideways received $50,000 from an issue of promissory notes that will mature in 2012. The notes pay interest on February 1 at an annual rate of 6 percent. Sideways' fiscal year ends on December 31.what is the interest expense for December 31?