Variable expenses were 55% of total sales last year and fixed expenses were 15% of total sales. If the firm increases its selling prices by 12%, but if fixed expenses, variable costs per unit, and...

Variable expenses were 55% of total sales last year and fixed expenses were 15% of total sales. If the firm increases its selling prices by 12%, but if fixed expenses, variable costs per unit, and unit sales remain unchanged, the effect of the increase in selling price on the company’s operating income (ignoring tax) would be?