taylor company has current sales of 1,000 units, at a selling price of $190 per unit, variable costs per unit of $76, and fixed expenses of $96,000. the company believes sales will increase by 300 units, if the company introduces sales commissions as an incentive for the sales staff. the change will decrease the selling price to $175 per unit, increase variable cost per unit to $100, and decrease fixed expenses by $20,000. what is the net operating income after the changes?