Pls explain how to get answer without excel

0 / 1 point Question 4 You are going to purchase a perpetuity. The perpetuity will make annual payments. The first annual payment of $11,795 will be received one year from today. You expect the payments to increase by 4.4% per year. You have a required rate of return of 8.7% compounded annually. How much should you pay for the perpetuity? Your answer should be accurate to two decimal places. Answer: 456x (274,302.33) Question 5 0 / 1 point You just purchased a perpetuity for $11,335. The perpetuity will make annual payments. The first payment of $4,382 will be received 1 year from today. The payments are expected to increase by 2.7% per year. What is the effective annual rate of return that you will earn? Your answer should shown as a percentage and it should be accurate to two decimal places. Answer: 567 x (41.36) Question 6 0 / 1 point You just purchased erpet for $13,615. The perpetuity will make annual payments of $1,962 per year. The first payn will be received 1 year from today. What is the effective annual rate of return that you will earn? Your answer should shown as a percentage and it should be accurate to two decimal places. Answer: x (14.41)