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 14 years at 10%.

   $

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

   $

3. $200 per year for 7 years at 0%.

   $

4. Rework previous parts assuming they are annuities due.

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

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

   Present value of $200 per year for 7 years at 0%: $