What is the present value of the following cash flow stream at a rate of $14\mathrm{.}5\%?$ Years: $0123$ CFs: $$750$ $$2,000$ $$3,175$ $$4,950$a$.$ $$10,875\mathrm{.}00$b$.$ $$9,298\mathrm{.}60$c$.$ $$12,333\mathrm{.}27$d$.$ $$8,216\mathrm{.}02$e$.$ $$14,633\mathrm{.}07$