CleanCo has considerable excess manufacturing capacity. The following data pertain to current sales and profit.

Sales per month	$140,000
Contribution margin ratio	60%
Profit margin	10%

CleanCo plans to incur a fixed advertising expense of $12,000 next month to promote lower prices. The price cut will reduce contribution margin ratio to 50%.

Requried: Suppose CleanCo runs the promotion. Calculate the incremental sales revenue that CleanCo needs to maintain the current level of profit (in $).