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.

1. $900 per year for 10 years at 14%.

   $

2. $450 per year for 5 years at 7%.

   $

3. $800 per year for 5 years at 0%.

   $

4. Rework previous parts assuming they are annuities due.

   Present value of $900 per year for 10 years at 14%: $

   Present value of $450 per year for 5 years at 7%: $

   Present value of $800 per year for 5 years at 0%: $