19. After saving diligently her entire career, Terrence is ready to retire with a nest egg of $672,500. She needs to invest this money in a mix of stocks and bonds that will allow her to withdraw $5,850 per month for 20 years. What annual interest rate (APR) does she need to earn?

20. Bradley borrowed $72,500 in student loans and he has just graduated from Elon University. He earns enough at his new job to allow him to pay $575 per month on the loan. If the annual rate on the student loan is 4.38% (compounded monthly), how long will it take Bradley to pay off his student loans? Specify the number of months to the nearest whole number

10. Chandler found his dream mountain home, valued at $245,000. He plans to buy a home just like it when he retires in 15 years. Chandler can earn 6.96 percent per year on his investments. Assume that the price of the house will increase 2.25 percent per year for the next 15 years. How much must he invest at the end of each month for the next 15 years to make the purchase at the end of the 15th year? A. less than $1,015 B. more than $1,015 but less than $1,080 C. more than $1,080 but less than $1,145 D. more than $1,145 but less than $1,210 E. more than $1,210