Last year Heaton Corp. had sales of $$315,000$ and a net income of $$17,299,$ and its year$-$end assets were $$265,000.$ The firm's total$-$debt$-$to$-$total$-$assets ratio was $30\mathrm{.}0\%.$ Based on the DuPont equation, what was Heaton's ROE?

a$.13\mathrm{.}32\%$

b$.9\mathrm{.}33\%$

c$.7\mathrm{.}85\%$

d$.5\mathrm{.}49\%$

e$.6\mathrm{.}53\%$