Chap 5 Assignment 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 $20,000 12,000 8,000 6,000 $ 2,000 Required: (Answer each question independently and always refer to the original data unless instructed otherwise.) 5. If sales decline to 900 units, what would be the net operating income? Total Per Unit Sales Variable expenses Contribution argin Fixed expenses Net operating income 6,000