Please answer.

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 Varlable expenses Contribution margin Fboed expenses Net operating income $22,100 12700 9.400 7708 692 1. 2. 3. 4. 5. What is the variable expense ratio? (Round your percentage answer to 2 decimal places (ie .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 $1.80 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 $.80, spending on advertising increases by $1,300 and unit sales increase by 250 units, what would be the net operating income? (Do not round intermediate calculations.)