An investor was afraid that he would become like King Lear in his retirement and beg hospitality from his children, so he purchased grain "tithes," or shares in farm output, for 540 pounds. The tithes paid him 65 pounds per year for 31 years. What interest rate did the he receive on this investment? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. Interest rate % An insurance company is offering a new policy to its customers. Typically, the policy is bought by a parent or grandparent for a child at the child's birth. The details of the policy are as follows: The purchaser (say, the parent) makes the following six payments to the insurance company: First birthday: $ 860 Second birthday: $ 860 Third birthday: $ 960 Fourth birthday: Fifth birthday: $ 960 $ 1,060 Sixth birthday: $ 1,060 After the child's sixth birthday, no more payments are made. When the child reaches age 65, he or she receives $120,000. If the relevant interest rate is 9 percent for the first six years and 5 percent for all subsequent years, what is the value of the policy at the child's 65th birthday? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16. Child's 65th birthday