Data for Hermann Corporation are shown below:

	Per Unit			Percent of Sales
Selling price	$	75		100%
Variable expenses		51		68%
Contribution margin	$	24		32%

Fixed expenses are $75,000 per month and the company is selling 4,000 units per month

Refer to the original data. Management is considering using higher-quality components that would increase the variable expense by $4 per unit. The marketing manager believes that the higher-quality product would increase sales by 25% per month. Calculate the change in total contribution margin.

Total contribution margin

increases

by

$ ??