Jennifer is 40 years old and earns gross employment income of $60,000. Her average tax rate is 30% and she has a cash flow surplus of $5,000 a year. Financial planners suggest having 3 to 6 months of living expenses to cover emergency needs. What is the minimal emergency fund she should maintain?

I'm not sure how to get to the answer, it was a multiple choice question and the answer was 9250

Please help me understand step by step how to solve this question, thank you in advance!