a$.$ $$600$ per year for $10$ years at $6\%.$

$

b$.$ $$300$ per year for $5$ years at $3\%.$

$

c$.$ $$600$ per year for $5$ years at $0\%.$

$

d$.$ Now rework parts $a,b,$ and $c$ assuming that payments are made at the beginning of each year; that is$,$ they are annuities due.

Future value of $$600$ per year for $10$ years at $6\%$:$

Future value of $$300$ per year for $5$ years at $3\%$ : $

Future value of $$600$ per year for $5$ years at $0\%$:$