please dont round decimals until the final answer

Problem 4 and 5-4 Future Value and Number of Annuity Payments Your client has been given a trust fund valued at $1.61 million. She cannot access the money until she turns 65 years old, which is in 20 years. At that time, she can withdraw $19,500 per month If the trust fund is invested at a 4 percent rate, how many months will it last your client once she starts to withdraw the money? (Do not round intermediate calculations and round your final answer to 2 decimal places.) Answer is complete but not entirely correct. Number of 284.25 months