Calculate the present value of the following annuity streams:

a. $4,000 received each year for 4 years on the last day of each year if your investments pay 5 percent compounded annually. (Do not round intermediate calculations. Round your answer to 2 decimal places. (e.g., 32.16))

b. $4,000 received each quarter for 4 years on the last day of each quarter if your investments pay 5 percent compounded quarterly.

d. $4,000 received each quarter for 4 years on the first day of each quarter if your investments pay 5 percent compounded quarterly. answer is not $63940.04