Pls solve both scenarios for UPVOTE

Calculation 3-The future value of an ordinary annuity payment (I.e., what an equal series of payments will be worth at some future date using compound interest) Scenarico The family of a former patient has decided to make a series of annual donations to Memorial Hospital for a period of 5 years, giving the hospital a single payment of $20,000 at the end of each year to be used for a planned expansion of the hospital's Cancer Center. In order to determine the future value of this ongoing donation and to plan financially for its use in the expansion effort, the hospital is projecting that the series of donations will earn an average annual interest rate over the 5-year period of 8%, in light of this, what would the future value of the total donation to Memorial Hospital be at the end of the 5 years? calculation 4 The present value of an ordinary annuity payment (ie, what a series of equal payments in the future is worth today, taking inte account the time value of money) Scenario Based on the Scenario for Calculation 3, Memorial Hospital also wishes to determine the present value of the 5-year series of end-of-year $20,000 donations that it will be receivin annually from the family of a former patient for the planned expansion of its Cancer Center Still assuming that the donations will earn an average interest rate over the 5-year period of 896, what would the present value of the total donation to Memorial Hospital be