Neeley Grocery has a monthly target operating income of $$25,000.$ Variable expenses are $20\%$ of sales and monthly fixed expenses are $$15,000.$ What is Neeley Grocery's operating leverage factor at the target level of operating income?

A$.1\mathrm{.}60$

B$.0\mathrm{.}63$

C$.2\mathrm{.}67$

D$.0\mathrm{.}40$cz