Kapoor Co. sells a single product for $40. Variable costs per unit are $30 and total fixed costs are $50,000. During the month of April, the company sold 10,000 units. Management expects that total sales will increase by $10,000 in May due to an increase in sales volume. Assume that the selling price, variable cost per unit and total fixed costs remain constant for the month of May. Compute the dollar increase in net operating income for May if management's expectation is realized