You find a certain stock that had returns of 11 percent, 18 percent, 24 percent, and 14 percent for four of the last five years. The average return of the stock over this period was 10.1 percent. FILL IN YOUR ANSWER WITH A COMMA FOR THOUSANDS, MILLIONS ETC AND A DOT FOR DECIMALS, do not fill in any currency sign ($, etc). So for instance, One-million-one-hundred-thousand-and-fourty euros and 50 cents would be 1,100,040.50. For percentages use a dot and NO % sign. For instance if you think an answer is seven per cent and 22 hundredths, write 7.22 Required: a) What was the stocks return for the missing year? b) What is the standard deviation of the stocks returns