Corbin Inc had net income of $$150,000$ on sales of $$5,000,000.$ Its total assets were $$2,500,00$ and its capital structure is comprised of $40\%$ debt and $60\%$ equity. What was its return on equity $($ROE$)?$

a$.15\%$

b$.2\mathrm{.}5\%$

c$.10\%$

d$.17\mathrm{.}5\%$

e$.$ ROE cannot be determined from the information given