$11.$ At a rate of $10\mathrm{.}0\%,$ what is the future value of the following cash flow stream?

Years: $01234$

CFs: $$0$ $$75$ $$225$ $$0$ $$300$

a$.$ $$544$

b$.$ $$820$

c$.$ $$672$

d$.$ $$746$

e$.$ $$726$