The president believes that a $6,700 increase in the monthly advertising budget, combined with an intensified effort by the sales staff, will result in an $87,000 increase in monthly sales. If the president is right, what will be the increase (decrease) in the companys monthly net operating income?The president believes that a $6,700 increase in the monthly advertising budget, combined with an intensified effort by the sales staff, will result in an $87,000 increase in monthly sales. If the president is right, what will be the increase (decrease) in the companys monthly net operating income?