Present value of an annuity

Find the present values of these ordinary annuities. Discounting occurs once a year. Round your answers to the nearest cent.

$800 per year for 12 years at 16%.

$

$400 per year for 6 years at 8%.

$

$500 per year for 6 years at 0%.

$

Rework previous parts assuming that they are annuities due. Round your answers to the nearest cent.

$800 per year for 12 years at 16%.

$

$400 per year for 6 years at 8%.

$

$500 per year for 6 years at 0%.

$