Required information The Foundational 15 (Algo) [LO2-1, LO2-3, LO2-4, LO2-5, LO2-6, LO2-7, LO2-8] [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 2-3 (Algo) Required: 3. What is the variable expense ratio