Imperative Corporation has cash$-$on$-$hand of $$250,000,$ receivables of $$300,000,$ payables of $$350,000,$ inventory of $$1$ million, and net fixed assets of $$20$ million. The company's sales revenues for the year amounted to $$10$ million, with net income of $$500,000.$ The company's debt$-$equity ratio is $2,$ and its marginal tax rate is $40\%.$ It has no short$-$term notes payable. What is its return on equity?

a$.2\mathrm{.}32\%$

b$.4\mathrm{.}64\%$

c$.5\mathrm{.}00\%$

d$.6\mathrm{.}96\%$

e$.9\mathrm{.}63\%$