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.

$600 per year for 16 years at 12%.

$

$300 per year for 8 years at 6%.

$

$600 per year for 8 years at 0%.

$

Rework previous parts assuming they are annuities due.

Present value of $600 per year for 16 years at 12%:$

Present value of $300 per year for 8 years at 6%:$

Present value of $600 per year for 8 years at 0%:$