Duve Corporation has provided the following contribution format income statement.All questions concern situations that are within the relevant range. If the selling price increases by $4 per unit and the sales volume decreases by 200 units, the net operating income would be closest to:

A) $7,200
B) $12,800
C) $10,400
D) $11,520

Selling Price

The amount charged to the customer for a product or service, determining the revenue generated from sales.

Net Operating Income

A company's revenue minus operating expenses, not including taxes and interest.

Sales Volume

The quantity of units sold within a specified period, crucial for analyzing a company's performance and planning production.