13) Trailhound Company operates on a contribution margin of 30% and currently has fixed costs of $200,000. Next year, sales are projected to be $1,000,000. An advertising campaign is being evaluated that costs an additional $30,000. How much would sales have to increase to justify the additional expenditure? A) $60,000 B) $90,000 C) $100,000 D) $300,000