Answer and Explanation:
The preparation of the analysis is presented below
Particulars Sun Sound Headphones Ear Bling Headphones
Unit volume increase 28,000 30,000
x Contribution margin
per unit $33.6 $30
Increase in profitability $940,800 $900,000
We simply multiplied the increase in volume unit with the contribution margin per unit so that the increase in profitability could arrive