3) Thomason Corporation has provided the following contribution format income statement. Assume that the following information is within the relevant range. Sales (1,000 units) Variable expenses Contribution margin Fixed expenses Net operating income 40,000 30,000 10,000 7,000 3,000 If 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