If you invest $$15,250$ today, how much will you have: Use Appendix A$.($Round $"$PV Factor" to $3$ decimal places. Round the final answers to the nearest whole dollar.$)$

a$.$ in $7$ years at $9$ percent?

Future value $

$29654\mathrm{.}50$

b$.$ in $18$ years at $7$ percent?

Future value $

c$.$ in $18$ years at $10$ percent?

Future value $

d$.$ in $20$ years at $10$ percent $($compounded semiannually$)?$

Future value $