Need help with both questions, please. Thank you

24. Alize Fashion Inc. has an unfunded pension liability of $500 million that must be paid in 20 years. To assess the value of the firm's stock, financial analysts was to discount this liability back to the present. If the relevant discount rate is 5.5 percent, what is the present value of this liability? 25. Michael plans on making an annual deposit of $5000 into a retirement account that earns an APR of 9.5 annually. If his first deposit will be made one year from now, how large will his retirement account be in 35 years