In: Accounting
Given the following table, calculate the standard deviation of returns for Vegeta Incorporated. Select the range that includes the correct answer.

The option (1) is the right option.
Explanation:
| Year | return | return-average return | square of (return-average return) | |
| 2017 | 10% | 6.25% | 0.39062500% | |
| 2018 | 25% | 21.25% | 4.51562500% | |
| 2019 | -15% | -18.75% | 3.51562500% | |
| 2020 | -5% | -8.75% | 0.76562500% | |
| average return = (10+25-15-5)/4 | 3.75% | |||
| sum of (square of (return-average return) | 9.19% | |||
| variance = sum of (square of (return-average return) | 9.19%/4 | 0.022975 | ||
| standard deviation = square root of variance | 15.16% | |||
| Option is (1) | standard deviation is less than or equal to 16% | 
The correct answer is (1).