Answers are highlighted, I just need to know how to get there

Chapter 4 Problem #57 of the assigned text (13ed.) $2,584,770.93; Retirement Savings Shortfall: \$2,216,727.62; Monthly Savings: ...> Note: You are strongly advised to construct the timeline to help you visualize and organize your analysis of this comprehensive TVM application with several components! And read the given information carefully and patiently! 57. Calculating Annuity Values Bilbo Baggins wants to save money to meet three objectives. First, he would like to be able to retire 30 years from now with retirement income of $16,000 per month for 25 years, with the first payment received 30 years and 1 month from now. Second, he would like to purchase a cabin in Rivendell in 10 years at an estimated cost of $375,000. Third, after he passes on at the end of the 25 years of withdrawals, he would like to leave an inheritance of $1.5 million to his nephew Frodo. He can afford to save $2,150 per month for the next 10 years. If he cal earn an EAR of 10 percent before he retires and an EAR of 7 percent after he retires, how much will he have to save eacl month in Years 11 through 30