4.A college student has been looking for tires and has found the following:

Tire Warranty for a Michelin tire is 12 months at a price per tire of $34.50. What is MONTHLY worth/cost of one tire if we consider annual interest rates are at 10%?

5.A college student has been looking for tires and has found the following:Tire Warranty for a Goodyear tire at 48 months at a price per tire of $90. What is MONTHLY worth/cost of one tire if we consider annual interest rates are at 10%?

6.A college student has been looking for tires and has found the following:Tire Warranty for a Goodyear tire at 36 months at a price per tire of $90. What is MONTHLY worth/cost of one tire if we consider annual interest rates are at 10%?

7.A sum of $25,000 is deposited into a savings account, which pays a yearly nominal 4% interest compounded semiannually. Equal annual withdrawals are to be made from the account, beginning 1 year from now and continuing forever. The maximum amount that can be withdrawn at the end of each year is closest to ____________.