5. The sales manager is convinced that a 10% reduction in the selling price, combined with a $30,000 increase in advertising, would increase this year's unit sales by 25%. If the sales manager is right, what would be this year's net operating income if his ideas are implemented? Do you recommend implementing the sales manager's suggestions? Why? Feather Friends, Inc., distributes a high-quality wooden birdhouse that sells for $20 per unit. Variable expenses are $8 per unit, and fixed expenses total $180,000 per year. Its operating results for last year were as follows: $400,000 160.000 240,000 Sales Variable expenses Contribution margin Fixed expenses Net operating income 180.000 60.000