Carla Vista's Shingle Corporation is considering the purchase of a new automated shingle$-$cutting machine. The new machine will

reduce variable labor costs but will increase depreciation expense. Contribution margin is expected to increase from $$238,960$ to

$$286,752.$ Net income is expected to be the same at $$41,200.$

Compute the degree of operating leverage before and after the purchase of the new equipment. $($Round answers to $2$ decimal places, e$.$g$.$

$1\mathrm{.}52.)$

Degree of operating leverage $($old$)$

Degree of operating leverage $($new$)$