1. You invest $1,000 at the beginning of the year. How much will be accumulated in five years if you earn 10% interest compounded annually? 2. You invest $1,000 per year at the end of each year for...

1. You invest $1,000 at the beginning of the year. How much will be accumulated in five years if you earn 10% interest compounded annually?

2. You invest $1,000 per year at the end of each year for five years. How much will be accumulated in five years if you earn 10% interest compounded annually?

3. You will receive $1,000 in five years. What is the present value of that amount if you earn 10% interest compounded annually?

4. You will receive $1,000 per year at the end of each year for five years. What is the present value of that amount if you earn 10% interest compounded annually?