Question 18 3.53 pts Dodger Inc.'s one product has a selling price of $250 per unit and variable costs of $90 per unit. Dodger's sales manager thinks if they spend an additional $4,000 in advertising, they will sell and additional 40 units. What effect will this have on operating income? o increase of $10,000 o decrease of $2,400 o decrease of $10,000 o increase of $2,400