Please help me solve requirements 3 and 4.

Problem 17-2 (Algo) PBO calculations; present value concepts [LO17-3] Sachs Brands's defined benefit pension plan specifies annual retirement benefits equal to 1.6% x service years x final year's salary, payable at the end of each year. Angela Davenport was hired by Sachs at the beginning of 2007 and is expected to retire at the end of 2041 after 35 years' service. Her retirement is expected to span 18 years. Davenport's salary is $94,000 at the end of 2021 and the company's actuary projects her salary to be $300,000 at retirement. The actuary's discount rate is 8%. (FV of $1, PV of $1, EVA of $1, PVA of $1, FVAD of $1 and PVAD of $1) (Use appropriate factor(s) from the tables provided.) Required: 2. Estimate by the projected benefits approach the amount of Davenport's annual retirement payments earned as of the end of 2021. 3. What is the company's projected benefit obligation at the end of 2021 with respect to Davenport? (Do not round intermediate calculations. Round your final answer to the nearest whole dollar.) 4. If no estimates are changed in the meantime, what will be the company's projected benefit obligation at the end of 2024 (three years later) with respect to Davenport? (Do not round intermediate calculations. Round your final answer to the nearest whole dollar.) 2. Annual retirement payments 72,000 3. Projected benefit obligation 2021 $ 15,447 Projected benefit obligation 2024 $ 23,351