7. A series of 10 end-of-year deposits is made that begins with $5,000 at the end of year 1 and decreases at the rate of $300 per year with 12% interest.

a) What amount could be withdrawn at t = 10? $

Round entry to the nearest dollar. Tolerance is 4.

b) What uniform annual series of deposits (n = 10) would result in the same accumulated balance at the end of year 10? $

Round entry to the nearest dollar. Tolerance is 4.

8. Maintenance on a test track simulator used to exercise vehicles 24/7 for engineering reliability analyses is expected to require $14,000 the first year increasing by 10% each year thereafter during its 5-year life. Interest is 15%.

a) Determine the present worth of this series of expenditures. $___________

Round entry to the nearest dollar. Tolerance is 4.

b) What is the equal annual amount that has the same present worth? $_________

Round entry to the nearest dollar. Tolerance is 4.

9.

a) On Juan's 26th birthday, he invested $9,000 in a retirement account. Each year thereafter, he deposited 9% more than the previous deposit. The account paid annual compound interest of 4%. How much was in the account immediately after his 35th deposit?

Round your answer to the nearest dollar. The tolerance is +/- 5. F = $____________

b) If Juan decided to wait 10 years before investing for retirement, how much would he have to invest on his 36th birthday to have the same account balance on his 60th birthday?

Round your answer to the nearest dollar. The tolerance is +/- 5. A₁ = $____________

c) What uniform annual investment is required to achieve the same account balance?

Round your answer to the nearest dollar. The tolerance is +/- 5. A = $___________