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): Sales Variable expenses Contribution margin Fixed expenses Net operating income $ 10,000 5,500 4,500 2,250 $ 2,250 Required: 1. What is the contribution margin per unit? (Round your answer to 2 decimal places.) Contribution margin per unit