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 1,000 units (the relevant range of production is 500 units to 1,500 units): 23,300 Sales 13,100 Variable expenses 10,200 Contribution margin Fixed expenses 7,548 2,652 Net operating income 0. How many units must be sold to achieve a target profit of $6,426? (Do not round intermediate calculations.) Number of units