Need help with the spreadsheet methods for both problems please

At the end of each year for the next ten years you will receive cash inflows of 550 If the appropriate discount rate is 5% how much would you pay for the annuity? Your plan is to raise $100,000 as quickly as possible If you decide to invest $5,000 at the end of each of the next several years at 4% interest compounded annually, how long will it take you to reach your goal