Claudia is thinking about opening a dog grooming business. The project would last for only three years and requires an initial investment of $6,000. Claudia's required return is 15 percent and she estimates her costs and revenues as follows: price $55 per unit variable costs = $28.6 per unit fixed costs $7,200 Ignoring taxes, what sales quantity sets Claudia's NPV equal to zero (financial break- even)? (Click to select) ~