The Foundational 15 (Algo) [LO6-1, L06-3, L06-4, L06-5, L06-6, LO6-7, LO6-8) (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): Sales Variable expenses Contribution margin Pixed expenses Net operating income $ 20,000 13,000 7.000 3.780 $ 3,220 Foundational 6-10 (Algo) 10. How many units must be sold to achieve a target profit of $4,2007 Number of units