BB Manufacturing's contribution format income statement for the month is: Sales (1,000 units) Variable expenses Contribution margin Fixed expenses Net operating income $40,000 30,000 10,000 7,000 $ 3,000 What will be the new net operating income, if variable cost per unit increases by $1. spending on advertising increases by $2,000, and unit sales increase by 50 units? Multiple Choice O $1,000 $9,450 $2150 O $450