Find the present values of these ordinary annuities. Discounting occurs once a year. Do not round intermediate calculations. Round your answers to the nearest cent.

a. $200 per year for 16 years at 16%.

b. $100 per year for 8 years at 8%.

c. $700 per year for 8 years at 0%.

d. Rework previous parts assuming they are annuities due.

Present value of $200 per year for 16 years at 16%: $

Present value of $100 per year for 8 years at 8%: $

Present value of $700 per year for 8 years at 0%: $