Thomason Corporation has provided the following contribution format income statement. Assume that the following information is within the relevant range.Sales (1,000 units) $ 40,000Variable expenses 30,000Contribution margin 10,000Fixed expenses 7,000Net operating income $ 3,000If the variable cost per unit increases by $1, spending on advertising increases by $2,000, and unit sales increase by 50 units, the net operating income would be closest to:A. $450B. $1,000C. $2,150D. $9,450