PLEASE TYPE ANSWER IN THE EXCEL FORMULA.

You've observed the following returns on Pine Computer's stock over the past five years: 8 percent, -12 percent, 14 percent, 21 percent, and 16 percent. What was the arithmetic average return on the company's stock over this five-year period? What was the variance of 2 the company's returns over this period? The standard deviation? Input area: (Use cells A6 to B11 from the given information to complete this question. You must use the builtfunction to answers this question. Make sure to use the "sample" Excel formulas.)