Calculate the present value for the following:
a. $5,000 received at the end of 5 years if your investments pay 6% compounded annually.
b. $5,000 received each year for 5 years on the last day of each year if your investments pay 6% compounded annually.
c. $5,000 received each quarter for 5 years on the last day of each quarter if your investments pay 6% compounded annually.
d. $5,000 received each year for 5 years on the first day of each year if your investments pay 6% compounded annually.