Find the present values of these ordinary annuities. Discounting occurs once a year. Do not round intermediate calculations.

$$500$ per year for $14$ years at $6\%.$

$$250$ per year for $7$ years at $3\%.$

$$700$ per year for $7$ years at $0\%.$

Rework previous parts assuming they are annuities due.

Present value of $$500$ per year for $14$ years at $6\%$: $

Present value of $$250$ per year for $7$ years at $3\%$: $

Present value of $$700$ per year for $7$ years at $0\%$: $