3. The company's business conditions are improving. One possible result is a sales volume of 18,000 units. The company president is confident that this volume is within the relevant range of existing capacity. How much would operating income increase over the 2017 budgeted amount of $374,000 if this level is reached without increasing capacity? PHOENIX COMPANY Forecasted Contribution Margin Income Statement For Year Ended December 31, 2017 Sales (in units) 15,000 18,000 Contribution margin (per unit) Contribution margin Fixed costs Operating income