Calculate the present value of the following annuity stream:

1. Ordinary annuity of $5,000 received each year for 5 years if your investment pays 5% compounded annually.
2. Ordinary annuity of $5,000 received each year for 5 years if your investment pays 8% compounded annually.
3. Ordinary annuity of $5,000 received each year for 5 years if your investment pays 8% compounded semiannually.