every question relates to the same information and is one full out problem

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): Required: 1. What is the contribution margin per unit? Note: Round your answer to 2 decimal places. Required: 2. What is the contribution margin ratio? Required: 3. What is the variable expense ratio? Required: 4. If sales increase to 1,001 units, what would be the increase in net operating income? Note: Round your answer to 2 decimal places. Required: 5. If sales decline to 900 units, what would be the net operating income? Note: Round "Per Unit" calculations to 2 decimal places. Required: 6 . If the selling price increases by $2 per unit and the sales volume decreases by 100 units, what would be the net operating income? Note: Round "Per Unit" calculations to 2 decimal places. Required: 7. If the variable cost per unit increases by $1, spending on advertising increases by $1,900, and unit sales increase by 280 units, what would be the net operating income? Note: Round "Per Unit" calculations to 2 decimal places. Required: 8. What is the break-even point in unit sales? Note: Round intermediate calculations to 2 decimal places. Required: 9. What is the break-even point in dollar sales? Required: 10. How many units must be sold to achieve a target profit of $21,000 ? Note: Round intermediate calculations to 2 decimal places. Required: 11. What is the margin of safety in dollars? What is the margin of safety percentage? Required: 12. What is the degree of operating leverage? Note: Round your answer to 2 decimal places. Required: 13. Using the degree of operating leverage, what is the estimated percent increase in net operating income that would result from a 5% increase in unit sales? Note: Round your intermediate calculations and final answer to 2 decimal places