The original data is :
Data for Hermann Corporation
Per unit Percent of sales
Selling price $ 75 100%
Variable expenses 51 68
Contribution margin $ 24 32%
The fixed expenses are $ 75,000 per month and the company is selling 4000 units per month.
Solution :
Present Proposed
Sales 300000 375000
Less : Variable cost 204000 275000
Contribution margin 96000 100000
Less : Fixed expenses 75000 75000
Net income 21000 25000
The net operating income : Increases 4000
Net operating income = increased sales Net income - current sales net income.
Therefore the higher quality component should be used.