Cullumber'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 $$309,400$ to $$340,340.$ Net income is expected to be the same at $$47,600.$

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$)$