please help. thank you

a. Cven the information in the tabie, the expected rate of retum for stock A is K. (Round to two decimal places.) The standard deviation of stock A is K. (Round to two decimal places.) b. The expected rate of retum for slock B is 16. (Round to Iwo decimal places) The standard deviation for stock B is % (Round to twe decimat places) c. Based on the risk (as measured by the standard devation) and refurn of each sfock, which investment is better? (Select the best choice below) A. Stock A is better because it has a higher expected rate of retum with loss risk. A. Stock B is better because it has a lower expected rale of retum wh more risk