can someone help me solve? thank you!

2. a. Jake is 10 years from retirement. He has decided that in order to be comfortable and be able to travel, he needs to have an income of $8000 per month. How much does he need to have in his retirement that earns 8% per year compounded monthly, in order to withdraw $8000 per month for 30 years? b. If Jake currently has $300,000 in retirement savings, how much does he need to put in his retirement account each month in order to reach his $8000 retirement income goal in 10 years? Bonus Question (Worth 2 extra credit points. One attempt only.) You owe $3000 on a credit card, which charges you 15% interest. Determino, to the nearest cent, the minimum monthly payment that will allow you to eventually repay the debt. Explain how you found your