from today. Do not round intermediate calculations, Roupd your answers to the nearest cent.

a$.$ What amount will be in your account at the end of $4$ years?

$

b$.$ Assume that your deposits will begin today. What amount will be in your account after $4$ years?

$ your answers to the nearest cent.

a$.$ What amount do you need in your retirement account the day you retire?

$

b$.$ Assume that your first withdrawal will be made the day you retire. Under this assumption, what amount do you now need in your retirement account the day you retire? $