What will be the amount accumulated by each of these present investments?
(a) $5,000 in 5 years at 7% compounded annually.
(b) $7,250 in 15 years at 9% compounded annually.
(c) $9,000 in 33 years at 6% compounded annually.
(d) $12,000 in 8 years at 5.5% compounded annually.