The following information pertains to Diane Company. Assume that all balance sheet amounts represent both average and ending balance figures and that all sales were on credit.

What is the return on total assets for Diane Company?

a$.1\mathrm{.}0\%$

b$.9\mathrm{.}0\%$

c$.6\mathrm{.}4\%$

d$.3\mathrm{.}3\%$