You find a certain stock that had returns of 14 percent, 21 percent, 22 percent, and 11 percent for four of the last five years. The average return of the stock over this period was 9.40 percent.

A) What was the stocks return for the missing year? (Round your answer to 1 decimal place. (e.g., 32.1))

B) What is the standard deviation of the stocks return? (Do not round intermediate calculations and round your final answer to 2 decimal places. (e.g., 32.16))