I need help with these last 2. it's a practice but I don't have the right answer. thank you so much!!

Question 3 (7 points) E Listen If you start saving $9,000 each year for the next 6 years with the first deposit to occur one year from now, how much do you have at the end of 6 years if the APR is 7%. For your answer round to the nearest dollar, do not enter the dollar ($) sign, and use commas for the thousands. For example, if you obtained $1,240.75 then enter 1,240 Question 5 (10 points) Listen (Estimated time allowance: 15 minutes) Given an interest rate of 10 percent per year, what is the value at date t = 4 (the end of year 4) of a perpetual stream of $800 annual payments that begins at date t = 10 (the end of year 10)? For your answer round to the nearest dollar, do not enter the dollar ($) sign, and use commas for the thousands. For example, if you obtained $1,240.75 then enter 1,240