Calculate the following questions. Please show the steps and formula.

6. If you desire to have $85,000 for a down payment for a house in 8 years, what amount would you need to deposit each year for these 8 years? Assume that your money will earn 9 percent per year.

7. The amount that a person would have to deposit today in order to be able to take out $85000 every year for college tuition for 4 years from an account earning 8 percent per year.

8. A family spends $25000 a year for living expenses. If prices increase by 5 percent a year for the next 11 years, what amount will the family need for its living expenses?

9.If you save $6000 today, the interest is 5.6% per year. If the interest is compounded semi-annually, how much will you have in 12 years?

10.If you save $6000 today, the interest is 5.6% per year. If the interest is compounded quarterly, how much will you have in 12 years?