Dirk Ward borrowed $11,000.00 for investment purposes on May 9 on a demand note providing for a variable rate of interest and payment of any accrued interest on December 31. He paid $700 on June 25, $150 on September 19, and $1000 on November 18. How much is the accrued interest on December 31 if the rate of interest was 7% on May 9, 7.3% effective August 1, and 7.9% effective November 1?

The accrued interest on December 31 is $_ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed)

If