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.

$$200$ per year for $8$ years at $16\%.$

$

$$100$ per year for $4$ years at $8\%.$

$

$$200$ per year for $4$ years at $0\%.$

$

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

Future value of $$200$ per year for $8$ years at $16\%$: $

Future value of $$100$ per year for $4$ years at $8\%$: $

Future value of $$200$ per year for $4$ years at $0\%$: $