Please answer BOTH 27 & 28. thanks

Question 27 3 pts You have a savings bond that will be worth $750 when it matures in 5 years, but you need cash today. If the current going rate of interest is 4.5%, what is your bond worth if you sell it today (rounded to the nearest dollar)? Note: Carry your final answer out two decimal places. Question 28 3 pts The present value of $5,000 to be received in 3 years is if the discount rate is 9.78%