Given that current assets are R$637900,$ current liabilities are R$475400,$ Inventory is R$231200$ and total assets is R $2000000.$ What is the quick ratio?

A$.1\mathrm{.}50$:$1$

B$.0\mathrm{.}86$:$1$

C$.1\mathrm{.}33$:$1$

D$.1\mathrm{.}22$:$1$