Required information The Foundational 15 (Algo) [LO6-1, LO6-3, LO6-4, LO6-5, LO6-6, 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): Foundational 6-10 (Algo) 10. How many units must be sold to achieve a target profit of $4,500 ? (Round intermediate calculations to 2 decimal places.)