I sent this question last night to change, but I got wrong answer, also I have the answer with out sulotion, (668.96) this is the correct answer , I just need to know how my teacher got this answer. please If it's possible for you give me the sulotion for this answer. Thanks alot

Question 8 (5 points) Anne is planning her retirement. Once she is retired, she would like to receive $3,500 at the beginning of each month as well as $5,000 at the beginning of each year. She expects to be retired for 20 years. She has 32 years to save for her retirement. How much must she deposit at the end of each month from now until the day she retires in order to fully fund her retirement plan. Assume an interest rate of j12=4.8% for the entire