TheChartered Financial Analyst (CFA) designation is fast becoming a requirement for serious investment professionals. Although it requires a successful completion of three levels of grueling exams, it also entails promising careers with lucrative salaries. A student of finance is curious about the average salary of aCFAcharterholder. He takes a random sample of 36 recentcharterholdersand computes a mean salary of $162,000 with a standard deviation of $36,000. Use this sample information to determine the lower bound of the 90% confidence interval for the average salary of aCFAcharterholder.(Roundthe "t" value to 3 decimal places)