Claudia is thinking about opening a dog grooming business. The project would last for only seven years and requires an initial investment of $11,000. Claudia's required return is 8 percent and she estimates her costs and revenues as follows: price = $63 per unit variable costs = $37.8 per unit fixed costs = $8,000 Ignoring taxes, what sales quantity sets Claudia's NPV equal to zero? (Click to select)