EXTRA CREDIT 41. Jackson Corporation's income statement for the most recent month is given below: Total Store P StoreQ Contribution Margin....216,000 56,000 160,000 Traceable Fixed Ee... 152.000 42.000 1000 Common Fixed Expenses... 34.000 Net Operating Income..30,000 Required: (a) If Store O sales increase by $30,000 with no change in fixed costs, calculate the new overall company net operating income. (b) The marketing department believes that a promotional campaign for Store P costing $5,000 will increase the store's sales by $15,000. Calculate the new overall company net operating income if the campaign is adopted