Mason Corporation had $$1,125,000$ in invested assets, sales of $$1,281,000,$ operating income amounting to $$249,000,$ and a desired minimum return on investment of $14\%.$

The profit margin for Mason Corporation is

a$.22\mathrm{.}1\%$

b$.87\mathrm{.}8\%$

c$.14\mathrm{.}0\%$

d$.19\mathrm{.}4\%$