could use some help

Assume the following information: Sales Variable expenses Contribution margin Fixed expenses Net operating income Amount $ 300,000 12 , 180,000 6 , $ 12 , Per Unit $ 40 16 $ 24 If the variable expenses increase by $1 per unit, the advertising expenditures increase by $15,000, and unit sales increase by 5%, then the best of estimate of the new net operating income is: Multiple Choice $112.500 $121,875 S102,500 $106125 If the variable expenses increase by S1 per unit, the advertising expenditures increase by $15.000, and unit sales increase by 5%, then the best of estimate of the new net operating income is Multiple Choice O $112.500 O $121,875. 5102.500 $106.125