Required information [The following information applies to the questions displayed below.) Oslo Company prepared the following contribution format income statement based on a sales volume of 1000 units (the relevant range of production is 500 units to 1.500 units): Sales Variable expenses Contribution margin Fixed expenses Het operating income $ 40,000 26,000 14,000 3,680 $ 5,320 10. How many units must be sold to achieve a target profit of $8,400? Number of units