Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units): Sales Variable expenses Contribution margin Fixed expenses Net operating income $ 23,900 13,300 10,600 7,632 $ 2,968 Required: How many units must be sold to achieve a target profit of $6,784? (Do not round intermediate calculations.) Number of units