Dexter Products Inc. manufactures and sells a number of items including an overnight case. The company has been experiencing losses on the overnight case for some time as shown on the following contribution format income statement:Discontinuing the overnight cases would not affect the companys sales of its other product lines its total general factory overhead or its total purchasing department expenses.Compute the increase or decrease of net operating income if the overnight case are continued or discontinued.(Leave no cells blank be certain to enter 0 wherever required. Input all amounts as positive except Decreases in Sales Decreases in Contribution Margin and Net Losses which should be indicated by a minus sign. Omit the $ sign in your response.)