Prince Paper has budgeted the following amounts for its next fiscal year: Total fixed expenses $400,000 Selling price per unit $75 Variable expenses per unit $30 If Price Paper spends an additional $12,400 on advertising, sales volume should increase by 1.000 units. What effect will this have on operating income? Increase of $45,000 Increase of $32,600 Decrease of $45,000 Decrease of $32,600