Oslo Company prepared the following contribution formal income statement based on a sales volume of 1.000 units (the relevant range of production Is 500 units to 1, 500 units): What is the variable expense ratio? Round your percentage answer to 2 decimal places (i.e. 1234 should be entered as 12.34). If sales increase to 1,001 units what would be the increase in net operating income? (Round your answer to 2 decimal places.) If sales decline to 900 units, what would be the net operating income? (Do not round intermediate calculations.) If the selling price increases by dollar 2.30 per unit and the sales volume decreases by 100 units, what would be the net operating income? (Do not round intermediate calculations.) If the variable cost per unit increases by dollar 1.30. spending on advertising increases by dollar 1.800, and unit sales increase by 250 units what would be the net operating income? (Do not round intermediate calculations.) What is the break-even point in unit sales? (Do not round Intermediate calculations.) What is the break-even point in dollar sales? (Round intermediate calculations to 4 decimal places. Round your final answer to the nearest dollar amount.)