Emily has produced the following income statement for the ladies′ shoe department of a large department store Sales $ 1,500,000 Less: Variable expenses 700,000 Contribution margins 800,000 Less: Fixed expenses: Wages $ 550,000 Insurance on inventory 20,000 Advertising 200,000 770,000 Net operating income $ 30,000Compared with other departments, the ladies′ shoe department has poor profitability. Management is considering dropping the department entirely. If the department is dropped, a job has to be created elsewhere for one employee who has been with the firm for many years. This employee has an annual salary of $40,000 and many years until retirement. Required: Calculate the increase or decrease in the operating income in both alternatives.