Dirk Ward borrowed $14,000.00 for investment purposes on May 26 on a demand note providing for a variable rate of interest and payment of any accrued interest on December 31. He paid $800 on June 24, $150 on September 20, and $500 on November 20 . How much is the accrued interest on December 31 if the rate of interest was 8% on May 26 , 8.5% effective August 1 , and 8.75% 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.)

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