A stock had annual returns of 7 percent, 28 percent, 13 percent, and 23 percent for the past four years. The arithmetic average of these returns is _____ percent while the geometric average return for the period is _____ percent.

3.75; 17.46

3.75; 4.27

17.75; 4.27

17.75; 17.46

3.75; 1.72