Answer:
The break-even sales in dollars is given as follows:
Before automation=$37,285.71
After Automation  =$72,871.79
The degree of operating leverage is given as:
Before automation 1.23
After automation   1.56
Explanation:
Contribution margin ratio=contribution/sales
Contribution margin  0.48  0.77 Â
BREAK EVEN POINT SALES DOLLARS = FIXED COST/CONTRIBUTION MARGIN RATIO Â 37,285.71 Â 72,871.79 Â
DEGREE OF OPERATING LEVERAGE=CONTRIBUTION/NET OPERATING INCOME Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1.225 Â Â 1.56