Leona bought a 1-year, $10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?	Choose the correct option:  A) $10,464  B) $ 864  C) $ 816  D) $ 800  E) $ 480
Approach #1:   8 percent compounded semiannually --&gt; 4% in 6 moths.   For the first 6 moths interest was 4% of $10,000, so $400;   For the next 6 moths interest was 4% of $10,000, plus 4% earned on previous interest of $400, so $400+$16=$416;   Total interest for 1 year was $400+$416  400+ 16= 
<gadget id="calculator">  400+ 16</gadget>
<output>416</output>
$416;   Total interest for 1 year was $400+$416=$816.   Answer: $ 816.  400+ 416= 
<gadget id="calculator">  400+ 416</gadget>
<output>816</output>
$816.   Answer: $ 816.
<result>C</result>
Leona bought a 1-year, $10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?