What will $5,000 be worth in five years if compounded semi-annually at a ...

1. What will $5,000 be worth in five years if compounded semi-annually at a 4% annual interest rate? Please show your work. 

2. You need to have $10,000 available in 25 years. If you are earning an interest rate of 5%, how much would you need to invest today to have $10,000 in 25 years, compounded annually. Please show your work. 

3. If you invest $2,000 a year into a retirement account, how much money will you have in 40 years if you earn a 12% interest rate. 

4. Calculate the amount of money you will have in an account at the end of the five years with an initial deposit of $5,000 and a 10% interest rate if interest is compounded a. Annually b. Semi-Annually c. Quarterly