Find the future values of these ordinary annuities. Compounding occurs once a year. Do not round intermediate calculations. Round your answers to the nearest cent.

1. $900 per year for 12 years at 16%.

2. $450 per year for 6 years at 8%.

3. $800 per year for 10 years at 0%.

4. Rework parts a, b, and c assuming they are annuities due.

   Future value of $900 per year for 12 years at 16% Future value of $450 per year for 6 years at 8% Future value of $800 per year for 10 years at 0%