To help defray the rising cost of higher education, Martina Baranauskas plans to operate a hot dog stand in her beach resort hometown over summer break. Key assumptions: Hot dog stand rental: $400/month City vending permit: $80/month Average cost of supplies (hot dogs, condiments, buns, etc.): $0.40/hot dog Price of average hot dog: $1.00 How many hot dogs will Martina have to sell over the course of one month to break even if she sells her hot dogs at the typical price of $1.00? 6