An investment of $$202713$ is expected to generate an after$-$tax cash flow of $$124500$ in one year and another $$146000$ in two years. The cost of capital is $10$ percent. What is the internal rate of return?

$20\mathrm{.}36$ percent

$20\mathrm{.}76$ percent

$20\mathrm{.}96$ percent

$20\mathrm{.}56$ percent