Mason Corporation had $$1,108,000$ in invested assets, sales of $$1,214,000,$ operating income amounting to $$222,000,$ and a desired minimum return on investment of $13\%.$

The investment turnover for Mason Corporation is

a$.1\mathrm{.}10$

b$.1\mathrm{.}64$

c$.0\mathrm{.}88$

d$.1\mathrm{.}31$