Use the Given Degree of Confidence and Sample Data to Find

Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ.
Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation.
-College students' annual earnings: 98% confidence; n = 9, $\bar { x }$ = $3361, s = $865

A) $\$ 546 < \sigma < \$ 1907$
B) $\$ 584 < \sigma < \$ 1657$
C) $\$ 526 < \sigma < \$ 1693$
D) $\$ 681 < \sigma < \$ 1128$