Serfass Corporation's contribution format income statement for July appears below:

Sales $ $349,800$

Variable expenses $157,410$

Contribution margin $192,390$

Fixed expenses $50,020$

Net operating income $ $142,370$

The degree of operating leverage is closest to:

Multiple Choice

$0\mathrm{.}41$

$0\mathrm{.}74$

$1\mathrm{.}82$

$1\mathrm{.}35$