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.

$$300$ per year for $12$ years at $14\%.$

$

$$150$ per year for $6$ years at $7\%.$

$

$$500$ per year for $6$ years at $0\%.$

$

Rework previous parts assuming they are annuities due.

Present value of $$300$ per year for $12$ years at $14\%$: $

Present value of $$150$ per year for $6$ years at $7\%$: $

Present value of $$500$ per year for $6$ years at $0\%$: $