A project under analysis will involve selling products for $12.39 per unit. The products require incurring variable costs of $6.39 per unit. Annual fixed costs are expected to be $5,000, and annual depreciation expense is expected to be $838. How many units must be sold for the project to avoid experiencing negative Operating Cash Flow? (Round your answer to the nearest whole unit. For example, if your answer is 1,234.56789, enter 1235. Do not worry if Canvas adds commas)