Bob Katz is considering three different investments. He$,$ like most investors, is concerned about minimizing risk. Using the following information, which investment appears to have the least amount of risk relative to its expected return?

Investment A: expected return was calculated to be $19\%$ with a standard deviation of $6\%.$

Investment B: expected return was calculated to be $24\%$ with a standard deviation of $9\%.$

Investment C: expected return was calculated to be $$20,000$ with a standard deviation of $$7000.$

Investment A

Investment B

Investment C

Either Investment A or B