Delta Co$.$ is considering a new inventory system that will cost $$750,000.$ The system is expected to generate

positive cash flows over the next four years in the amounts of $$350,000$ in year one, $$325,000$ in year two,

$$150,000$ in year three, and $$180,000$ in year four. Delta's required rate of return is $8\%.$ What is the internal

rate of return of this project?

$13\mathrm{.}68\%$

$11\mathrm{.}57\%$

$15\mathrm{.}13\%$

$10\mathrm{.}87\%$